访问学者推荐信范文

更新时间:2023-11-06 21:33:45 阅读: 评论:0

简单干净的说说-达尔克罗兹

访问学者推荐信范文
2023年11月6日发(作者:母女盖浇饭)

---------------------------------精选公文范文--------------------------

访问学者推荐信范

篇一:访问学者英文推荐信

Dear professor

As an professor of xx University, I

am writing the recommendation letter with

great sincerity to furnish you with my

knowledge of my student xx in support of

his visting scholor to your laboratory.

Should this letter be of any assistance of

your processing of his application, I will

be much delighted.

xx is now studying at our university

for his phD studies and I am tutoring his

phD thesis. I taught him the cours of xx

and xx during his graduate student be

honest, he exhibited diligent and

industrious rearch spirit significantly in

the learning process. With agile thinking,

he also positively devoted himlf to the

----------------精选公文范文----------------

1

---------------------------------精选公文范文--------------------------

literatures and specialized training intently

and earnestly. What’s more,he displayed

positive attitude towards writing his

graduation thesis by asking me for large

amount of advices modestly and raising

various originative opinions.

During studies at university, he is

enthusiastic for every specialized cour

and school activities. Adopting a diligent

and surefooted attitude and striving for

excellence, he was obsd with

application software relating to our

speciality and brings forward his own

ideas, cultivating his own ways of analysis.

With strong abilities in writing, reading

and communicating, he pays great

attention to the improvement of his

comprehensive qualities and energetically

takes part in social practices.

Finally,I fully support his idea of

overas studies which will certainly

facilitate his further development. He has

----------------精选公文范文----------------

2

---------------------------------精选公文范文--------------------------

detailed plans and accumulated experti

for your program. I do believe that he will

benifit a great many from your better

education institution. I hope that he will

make great progress and achieve success

in his future studies.

I will appreciate if you take his

application into rious yours,

篇二:公派出国推荐信

篇一:出国推荐信写法

第二段:这段可以

提供最实质的内容。譬如,如果推荐

者是教授, 解释学生在他门下所修的课

程。

took two of my cours during the

1984-85 academic year, as follows;

“xxxxx” and

“xxxxx”.” was eolled in three of

class from ptember 1984 to june

1986 “xxx” and “xxx”.” 接下来,

授写一些有关申请人在课堂上的表现,

完成的研

----------------精选公文范文----------------

3

---------------------------------精选公文范文--------------------------

究计划、实验室研究、研究报告、

考试的成绩、课堂态度、讨论课的参与

,举出实例。 “in

my class , did excellent work. she

always listened attentively,

participated

school. if any

further information is required, plea

feel free to contact me.” 签名:

sincerely, sincerely yours, very truly

yours, with best regards, 下面结

合上面的部分内容,给出一篇推荐

信样例(被推荐的同学是数学系的)

dear sir/madam:

in his class who could keep up with

the pace of my lectures. moreover, he

often pod

thought-provoking questions during

the cour. thus it was natural that i liked

discussing with this young man and

became familiar with him. the more i knew

him,

----------------精选公文范文----------------

4

---------------------------------精选公文范文--------------------------

the more i found he was talented at

mathematics. as you can e, he got

excellent

scores on the cour. in fact, he

ranked no. 1 on this 270 hours cour in

the talented

student class which has 34 intelligent

others. with his outstanding talent and

solid

mathematical

篇二:2014 联合培养博士研究生

国内导师推荐信

2014

年国家建设高水平大学公派研究生

项目

联合培养博士研究

生国内导师推荐信

――――――――

―――――――――――――――

―――――――――――――――――

――――――――

―――― 申请人姓名: 博士所在

----------------精选公文范文----------------

5

---------------------------------精选公文范文--------------------------

年级及博士毕业时间:

内所学专业/研究方向: 拟留学专

/研究方向:

拟留学国别、单位:

导师推荐信内容(联合培养博士生

国内导师应提交推荐信,主要内容包括:

对申请人推荐意

见;重点对申请人出国学习目标要

求、国内导师或申请人与国外导师的合

作情况及对国外院

校、导师的评价等) 如:

基金委:

**近两年来一

直在进行**方面的研究工作,在**

等方面具有较好的工作积累。自****

始,就读本所在职

博士,研究课题为****,本申请项

目为其研究课题的重要组成部分。目前,

****研究方面,

已公开发表第一作者sci论文一篇,

另有一篇已投递。对于本申请项目,也

进行了相关的前

----------------精选公文范文----------------

6

---------------------------------精选公文范文--------------------------

期探索性研究,取得了一些有意义

的成果。同时,****作为研究骨干

参加了****项目

“****”,发挥了积极的作用。另外,

作为主要研究人员,还参加了国家自然

科学基金、****

等课题的研究工作,具有较丰富的科

研经验,已具备了独立承担科研课题的能

力。

申请国家自然科学基金项目。如获

资助,可保证其具有充足的工作时间用

于本项目的研究,

提供一切项目研究中所需的实验和

分析测试设备,并就项目执行过程中出

现的问题,给予诚

恳地建议。

国内导师签字: 日期: 备注:国

内导师意见由受理单位按要求扫描上传

至国家留学基金管理委员会信息平台

篇三:出国留学推荐信范例-珍藏版

范例1 计算机教授推荐信

i came to know him

----------------精选公文范文----------------

7

---------------------------------精选公文范文--------------------------

in ptember 1987 when mr. chen

eolled in my class on fortran iv

programming, a

three mesters cour. in the class he

was one of the most outstanding students.

at the mester final he earned a high

grade of 81, which should be a according

to

our grading system. i also found him

good at other studies.

范例2 商管系教

授推荐信

though mr. cheng

graduated from this college 5 years

ago, he keeps, contact with me very often.

worthy

of mention also is his personality,

honest, reliable, responsible and mature.

范例3 法律系教

授推荐信

i am plead to write this letter for my

former student miss nan li, who graduated

----------------精选公文范文----------------

8

---------------------------------精选公文范文--------------------------

from this college with an degree in

june 1978.

fourth year study, i instructed her in

anglo-american laws on trespass. so i have

known her quite well.

miss lis

performance, like that in many other

cours she taken, was excellent with a

superior

grade of 86 for the first mester, and

84 for the cond mester. in our

university

and in other university here, 80 is

considered a , the highest level.

推荐信的份量直接

关系到能否出国留学,能否获得奖

学金等,作为对外联系的材料,是其中

一份较为重要的文

件。推荐信的目的是通过国内专家

向对方介绍申请人的工作、学习和专业

方向等情况。在出

国申请是否成功的诸多要素中,有

----------------精选公文范文----------------

9

---------------------------------精选公文范文--------------------------

力的推荐信是录取的重要条件之一,其

份量仅次于于本科

成绩单和标准化考试(gregmat

toefl)成绩。

多数学校都要求申

请人提交两封到三封的推荐信,由

教授、系主任或工作主管直接寄给指定

的单位。

一、选择推荐人

推荐信是了解申请

人的重要依据,在研究生课程中尤

其如此。申请人可以选择现在或以前的

老师、教授或雇主。

推荐人必须熟悉学生的学习情况,

了解学生的学习目的是否明确,在学术

上是否有前途,以

及学生的适应能力、创造能力、品

行和特长。

想的人选是一封由系主任写,一封

由专业课教授写,一封由自己的导师写。

不过,对方若无

规定,则除了自己的亲属之外,任

----------------精选公文范文----------------

10

---------------------------------精选公文范文--------------------------

何人皆可为推荐人。推荐人一般应具备

高级技术职称,如

教授、副教授、研究员、副研究员

等。如果推荐人在国内外学术界享有盛

誉,或者被申请就

读学校聘为客座教授,或者曾经在

该校讲过学,那么这样的推荐人写的推

荐信就具有很强的

效力了。

二、推荐信的内容

推荐信一般应包括

下列内容:

被推荐人的基本情

况介绍。侧重于个人的毕业时间、

学校、所获学位以及个人的专业经历。

推荐人对被推荐人

的基本评价。侧重于被推荐人的专

业基础、个性、特点、工作态度和在学

术上的前途估计。

若是推荐研究生,推荐人还需进一

步说明其深造学习的基础和当前所具备

的研究能力。显然,

----------------精选公文范文----------------

---------------------------------精选公文范文--------------------------

恰如其分地评价被推荐人的基础、

能力和前途,比言过其实的赞誉更令人

情服,更具有实际

意义。

推荐人可以着重介

绍被推荐人曾经获得的奖励,发表

过的论文,参加过的重要学术会议,以

及曾在学生组织或

学术团体中的任职等来支持自己的

评价。

推荐人还必须清楚

地表明被推荐人留学的身份是研究

生还是访问学者,专业领域和研究方向

是什么。 如果

大学提供了现成的推荐表格,则必

须按这类表格认真逐项填写。推荐表格

中一般有学生综合

评估的一项,即要求推荐人说明该

生在所教的学生中应列为前5%,10%,

25%等。这种

评估是指教授的个人评价,可以稍

高一点。另外,推荐表格上常有许多难

----------------精选公文范文----------------

12

---------------------------------精选公文范文--------------------------

以填写的项目,遇

到这种情形可填i dont know,亦不

致对该生的评价有何严重影响。

推荐信样例 一(管

理)

dear sir/madam:

i got to know him personally when he

was taking the cour--methodology of

management

rearch , a cour i taught,

concerning basic rearch methods,

especially quantitative approach to

management

rearch. then he took one of my

other cours--advanced strategic

management. mr.

caleb showed great aptitude on both

cours and he got 78 on both, which em

a bit

lower, but if you take the difficulty of

the test papers and my strict grading into

account, you will understand why

----------------精选公文范文----------------

13

---------------------------------精选公文范文--------------------------

such scores are still among the top five.

undoubtedly,

he got excellent scores on other

cours and ranked among the top 5% of

his class

after the first year of graduate study.

to my knowledge, mr. cai is not only

strong in academics, but also in sports and

social

activities. he was the captain of the

soccer team of graduateschool of dut and

led

the team to play in the soccer league

of our university for two successive years.

he was also one of the main founders

of the first academic club--management

forum

of the dalian management school of

dut.

after i left dut, he still keeps in touch

with me from time to time and i am

plead

----------------精选公文范文----------------

14

---------------------------------精选公文范文--------------------------

to e that he proved his outstanding

capability in both rearch and teaching

position. therefore i feel very

delighted when he told me he would like

to pursue

his advanced studies in your honored

program. i am confident that mr. caib will

contribute greatly to your program as

well as he did in the dut. plea dont

hesitate

to contact me if you need more

information. truly, yours

xxx

________________

推荐信样例二(计

算机)

from: fan pu

department of the

special class gifted for youths

university of

science and technology

hefei, anhui 230026, china

----------------精选公文范文----------------

15

---------------------------------精选公文范文--------------------------

july 1, 1998

dear sir or

madam:

篇四:几篇不错的出国留学导师推

荐信范文

出国

留学导师推荐信范文

1

to whom it may

concern,

mentor

出国留学导师推荐信范文

2

dear colleagues:

i have known ms.

zhang since 2003, when she was

admitted as a master of science candidate

into the

school. as her rearch advir, i

directed her rearch and found her a

promising

youth radiating with intelligence and

----------------精选公文范文----------------

16

---------------------------------精选公文范文--------------------------

creativity. during her first year, she got a

very good record in major cours

and earned good scores major and general

gpa

she particularly enjoyed challenging

areas of studies such as quantum chemistry

and

theory of electrochemistry.

materials

project for his degree thesis

“theoretical study of electronic structures

of veral

reprentative metal element in the

hydrotalcite slabs”. to make the theory

model

meet the actual materials, she faced

down many practical problems, such as

building

reasonable module of inorganic

materials, and calculation techniques.

working hard

and independently, she cracked the

----------------精选公文范文----------------

17

---------------------------------精选公文范文--------------------------

problems one by one, and came up with a

thesis

that was characterized by academic

excellence. during her period, she had

three

papers published in international

journals.

judging by her

outstanding performance while she

studied with me, i am convinced that ms.

zhang has

acquired the knowledge and

intellectual sophistication on the basis of

which she can

undertake world-class training. i

therefore lend her my enthusiastic support

and

would appreciate your favorable

consideration of her application.

from: x x x x

department of the special class gifted

for youths

----------------精选公文范文----------------

18

---------------------------------精选公文范文--------------------------

university of

science and technology

hefei, anhui

230026, china

july 1, 1998

3

dear sir or x x x:

mr. ren was admitted in 1986 at 14

years of age into the special class for the

gifted

youths, my

universitys

unique program that caters to the

intellectual needs of unusually talented

chine

youngsters. it was a rare privilege he

earned with his nearly impeccable

academic

performance through the years of his

elementary and condary school.

he impresd me almost as he entered

into my university, a major cradle of

----------------精选公文范文----------------

19

---------------------------------精选公文范文--------------------------

chinas

scientific and technological talents. at

the time, members of the gifted class all

had to spend half a month studying by

themlves the

principles of

calculus and then take an exam so

that we could evaluate their lf-study

capability.

mr. ren scored the highest grade in

that exam. he also exhibited a keenly

whetted

mind during class discussions. to my

regret at the time, his english was not as

good

as his mathematics or physics. but i

noticed he made a point of working

especially

hard in improving his english during

his five undergraduate years with us. by

now,

he ems to be at least as proficient in

----------------精选公文范文----------------

20

---------------------------------精选公文范文--------------------------

english as most of his former classmates

in the gifted class.

yours sincerely

x x x x

professor and

篇三:留学推荐信格式

篇一:出国留学推荐信模板

美国留学文书之我感(1-推荐信

写作(万能模板)及细节

现在出国的潮流是一浪高过一浪

了,想去牛校,除了gtgpa要比较有竞

争力外,其次很关键的就是你的文字材

料了,其中最主要的就是ps以及推荐信

的写作问题。

由于推荐信相对而言比较规范些,

所以先说说推荐信吧

写推荐信的目的

,这好像没有什么可首先还是说说

写推荐信的目的吧,为什么要写推荐信,

其实最主要的就是因为申请的学校需要

如何选择推荐人

对于这2封推荐信,最好能找到和

----------------精选公文范文----------------

21

---------------------------------精选公文范文--------------------------

自己比较熟悉的老师,并且强烈建议其

中一人带过你做项目,这样的话,不仅

能突出自己有一些项目经验的背景,而

且让这样的老师写推荐信的话,可以说

的内容会比较多,比如在项目中遇到了

什么复杂问题,解决了什么问题,是如

何解决的,在项目中与他人的合作关系

是怎么样的。这样写的话可信度会很高,

这样也正是老美想知道,想了解的。

是可能展现出的东西会有重复,浪

费了资源。

如何写推荐信

虽然现在很多学校都慢慢限制了笔

推,而往往都采用网推的形式,不过其

基本的准备过程并没有多大的变化。推

荐信我认为最重要的就是要在事实的基

础上突出自己某方面的特点。 是不全,

所以我还是将我的整个推荐信的每段的

思路写下来:

第一大段,建议写推荐信的老师自

己介绍下自己,毕竟美国教授只认识中

国很少的教授,如果是同学自己写,也

----------------精选公文范文----------------

22

---------------------------------精选公文范文--------------------------

一定最好调查下老师的职位什么的,开

头介绍下,对老美认识推荐人还是有一

定好处的。

第三大段,这一段是重点段落了,

这一段的核心任务就是要写出自己的亮

点、特色,写出自己的与众不同,也是

推荐信的最大难点。这一段的内容是我

们最应该琢磨的了。 就知道这点了。

第四 第四大段--结尾,这个段落很

模板,感觉,一般就是写强烈推荐这个

学生到某某项目,并欢迎随时来邮件,

写上

下面是写推荐信时的注意事项:

3.其实如果推荐信内能让老师写出

自己一个到两个不足(不是很大的,不

会严重影响到录取的那种不足哈~~

实是

4.如果是自己项目的导师写的推荐

信,一定要做足文章,他写的推荐信份

量应该是最重的,因为他知道过你做实

际的项

5.结尾最好有老师的电子邮件和电

----------------精选公文范文----------------

23

---------------------------------精选公文范文--------------------------

话。

6.推荐信最好不要超过一页,以a4

纸格式为准。

图片已关闭显示,点此查看

图片已关闭显示,点此查看

图片已关闭显示,点此查看

推荐信的万能模板:

(申请人的学校)

教授名

xxxxprofessor(老师职位)

department ofxxxxx(所在系)

college ofxxxxx(所在院)

学校名

学校地址

xxxxx

department

xxxxx

university

to whom it may concern:

this letter is to support xxxxxx

application for studying in the xxxxxx

----------------精选公文范文----------------

24

---------------------------------精选公文范文--------------------------

program in

xxxxxx department in xxxxxxx

university.

(第一大段)

i am an xxxxxx professor in the

department of xxxxxx, 学校名字.

(第二大段)

我如何认识申请人的??我觉得申请

人是一个怎么样的人??(小例子) 我认

为申请人的综合素质怎么样??

(第二大段)

具体的事例,这里举一个大一些的

例子,能够说明问题的,比如申请人的

一些道德品质,专业知识。

申请人的特点及优势是什么?是否

有一些不足?

(第四大段)

department without rervation.

should you need any further information

about him,

plea do not hesitate to contact me.

sincerely yours,

----------------精选公文范文----------------

25

---------------------------------精选公文范文--------------------------

xxxxxx

xxxxx

professor

department of

xxxxx

college of

xxxxxx 学校名字

篇二:出国留学推荐信中文范文

出国留学推荐信中文范文

出国留学推荐信中文范文,国外学

生都很注重学生的全面发展,知识传授

以实际需要为第一原则。

如何写工作/学校推荐信

2称谓:dear sir or madam/ to whom

it may concern/ dear colleagues

3、正文:分段讲述其要点

范例:企业实习出国留学推荐信范

尊敬的先生或女士:

您好,我是****会计师事务所副

所长、合伙人。

得知我公司优秀实习生**准备出国

----------------精选公文范文----------------

26

---------------------------------精选公文范文--------------------------

深造,我感到非常高兴和无比欣慰。在

我看来这样一个上进的年轻人应该接受

良好的教育拥有更辉煌的未来。

**曾在大三的时候来我公司实习。

在八周的实习期间里,**给我留下了非

常好的印象。为了能学习更多的会计专

业知识,她主动承担了更多的工作,像

正式员工一样主动留下来加班。并且不

论工作难度高低,她都能尽心尽力地做

好,这样的敬业精神实属难得。

牢固,核心课程平均成绩良好,加

之学习能力较强,因此实习期间她已能

较好地掌握会计的一些基本业务,而这

又进一步使她对会计有了更深的领悟,

渐渐地,她开始精通各项业务,并取得

一定成绩。对此她并没有满足更没有骄

傲自大。相反,遇到难题,她仍然虚心

与她的老师交流讨论直到找出解决方案

为止。**天工作日,她共参与包括**

---------------------------------精选公文范文--------------------------

损失,但是考虑到她的前途,我依然毫

不犹豫的支持她远赴贵学校深造。真诚

期望贵学校能同样支持她,给她一个提

升自己实现梦想的机会。

合伙人:**

201316

电话:

邮箱:

太傻留学网:

篇三:出国留学推荐信范例-珍藏版

范例1 计算机教授推荐信

i came to know him in ptember

1987 when mr. chen eolled in my class on

fortran

iv programming, a three mesters

cour. in the class he was one of the most

outstanding students. at the mester final

he earned a high grade of 81, which should

be a according to our grading system. i

also found him good at other studies.

2 商管系教授推荐信

though mr. cheng graduated from this

----------------精选公文范文----------------

28

---------------------------------精选公文范文--------------------------

college 5 years ago, he keeps, contact with

me very often. worthy of mention also is

his personality, honest, reliable,

responsible and mature.

范例3 法律系教授推荐信

i am plead to write this letter for my

former student miss nan li, who graduated

from this college with an degree in june

1978.

fourth year study, i instructed her in

anglo-american laws on trespass. so i have

known her quite well.

miss lis performance, like that in

many other cours she taken, was

excellent with a superior grade of 86 for

the first mester, and 84 for the cond

mester. in our university and in other

university here, 80 is considered a , the

highest level. 推荐信的份量直接关系

到能否出国留学,能否获得奖学金等,

作为对外联系的材料,是其中一份较为

重要的文件。推荐信的目的是通过国内

----------------精选公文范文----------------

29

---------------------------------精选公文范文--------------------------

专家向对方介绍申请人的工作、学习和

专业方向等情况。

一、选择推荐人

推荐信是了解申请人的重要依据,

在研究生课程中尤其如此。申请人可以

选择现在或以前的老师、教授或雇主。

书写推荐信的最理想的人选是一封

由系主任写,一封由专业课教授写,一

封由自己的导师写。不过,对方若无规

定,则除了自己的亲属之外,任何人皆

可为推荐人。推荐人一般应具备高级技

术职称,如教授、副教授、研究员、副

研究员等。

二、推荐信的内容

推荐信一般应包括下列内容:

被推荐人的基本情况介绍。

推荐人对被推荐人的基本评价。侧

重于被推荐人的专业基础、个性、特点、

工作态度和在学术上的前途估计。若是

推荐研究生,推荐人还需进一步说明其

深造学习的基础和当前所具备的研究能

力。

----------------精选公文范文----------------

30

---------------------------------精选公文范文--------------------------

推荐人还必须清楚地表明被推荐人

留学的身份是研究生还是访问学者,专

业领域和研究方向是什么。 如果大学提

供了现成的推荐表格,则必须按这类表

格认真逐项填写。推荐表格中一般有学

生综合评估的一项,即要求推荐人说明

该生在所教的学生中应列为前5%,

10%,或25%等。这种评估是指教授的

个人评价,可以稍高一点。

推荐信样例 一(管理)

dear sir/madam:

i got to know him personally when he

was taking the cour--methodology of

management rearch , a cour i taught,

concerning basic rearch methods,

especially quantitative approach to

management rearch. then he took one of

my other cours--advanced strategic

management. mr. caleb showed great

aptitude on both cours and he got 78 on

both, which em a bit lower, but if you

take the difficulty of the test papers and

----------------精选公文范文----------------

31

---------------------------------精选公文范文--------------------------

my strict

grading into account, you will

understand why such scores are still

among the top five. undoubtedly, he got

excellent scores on other cours and

ranked among the top 5% of his class after

the first year of graduate study.

to my knowledge, mr. cai is not only

strong in academics, but also in sports and

social activities. he was the captain of the

soccer team of graduateschool of dut and

led the team to play in the soccer league of

our university for two successive years. he

was also one of the main founders of the

first academic club--management forum of

the dalian management school of dut.

after i left dut, he still keeps in touch

with me from time to time and i am

plead to e that he proved his

outstanding capability in both rearch and

teaching position. therefore i feel very

delighted when he told me he would like

----------------精选公文范文----------------

32

---------------------------------精选公文范文--------------------------

to pursue his advanced studies in your

honored program. i am confident that mr.

caib will contribute greatly to your

program as well as he did in the dut. plea

dont hesitate to contact me if you need

more information. truly, yours

xxx

________________

推荐信样例二(计算机)

from: fan pu

department of the special class gifted

for youths

university of science and technology

hefei, anhui 230026, china

july 1, 1998

dear sir or madam:

篇四:出国留学推荐信范例

推荐信范例

一。推荐信要客观、公正、切忌流

于形式,内容空洞,要与申请人的其它

材料(如成绩单)等相符。推荐信也应

注意格式、文法等。因为向来有名师出

----------------精选公文范文----------------

33

---------------------------------精选公文范文--------------------------

高徒之说。推荐信的格式与一般书信基

本相同。

3. 对被推荐者的优点介绍及评价,

这是推荐信的核心。

范例1 计算机教授推荐信

i came to know him in ptember

1987 when mr. chen eolled in my class on

fortran iv programming, a three mesters

cour. in the class he was one of the most

outstanding students. at the mester final

he earned a high grade of 81, which should

be a according to our grading system. i

also found him good at other studies.

2 商管系教授推荐信

though mr. cheng graduated from this

college 5 years ago, he keeps, contact with

me very often. worthy of mention also is

his personality, honest, reliable,

responsible and mature.

范例3 法律系教授推荐信

----------------精选公文范文----------------

34

锦绣前程-情人节多少号

访问学者推荐信范文

本文发布于:2023-11-06 21:33:45,感谢您对本站的认可!

本文链接:https://www.wtabcd.cn/zhishi/a/169927762583467.html

版权声明:本站内容均来自互联网,仅供演示用,请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系,我们将在24小时内删除。

本文word下载地址:访问学者推荐信范文.doc

本文 PDF 下载地址:访问学者推荐信范文.pdf

留言与评论(共有 0 条评论)
   
验证码:
推荐文章
排行榜
Copyright ©2019-2022 Comsenz Inc.Powered by © 实用文体写作网旗下知识大全大全栏目是一个全百科类宝库! 优秀范文|法律文书|专利查询|