extension

简明英汉词典

extension

[iks5tenFEn]

n.

延长, 扩充, 范围

n.

扩展名

adj.

[逻]外延的, 客观现实的

美国传统词典[双解]

extension

ex.ten.sion

AHD:[1k-stμn“sh…n]

D.J.[ik6sten.*n]

K.K.[!k6stWn.*n]

n.Abbr. ext.（名词）缩写 ext.

(1)The act of extending or the condition of being extended.

伸展：伸展的行为或被伸长的状况

(2)The amount, degree, or range to which something extends or can extend:

扩大，伸长：扩大或能扩大的数量、程度或范围：

The wire has an extension of 50 feet.

电线可伸长到50英尺

(3)The act of straightening or extending a limb.

伸直：伸直或伸展肢体的行为

(4)The position assumed by an extended limb.

伸肢定位：用伸出的肢体判断出的位置

(5)Medicine The application of traction to a fractured or dislocated limb to restore the normal position.

【医学】 牵引，牵伸（术）：为使骨折或脱位的肢体恢复原位而进行的牵伸动作

(6)An addition that increases the area, influence, operation, or contents of something:

扩大，增加：面积的增加、影响的扩大、功能的增强或某物内容的增多：

an extension for the vacuum cleaner; built a new extension onto the hospital wing.

真空吸尘器容量加大；向医院的一侧扩建

(7)An additional telephone connected to a main line.

电话分机：一部连到主线上的增设电话

(8)An allowance of extra time, especially for the repayment of a debt.

宽限：额外增加的时间，尤其为了还债

(9)The period of this extra time:

宽限期：额外延长的期限：

three months' extension on the loan.

货款的三个月宽限期

(10)The property of an object by which it occupies space.

财物：占据空间的物体的财产

(11)A program in a university, college, or school that offers instruction, as by television or correspondence, to persons unable to attend at the usual time or in the usual place.

函授：在大学、学院或学校开设的一种课程，如通过电视或通信对那些不能在通常时间或在通常地点上课的人提供教育

(12)Logic The class of objects designated by a specific term or concept; denotation.

【逻辑学】 外延，概说：用特定的词或概念来标明的学科种类；外延

(13)Mathematics A set that includes a given and similar set as a subset.

【数学】 子集：包含一个给定的或相似的子集的集合

n.attributive.（定语名词）

Often used to modify another noun:

常用于修饰另一个名词：

an extension ladder; an extension cord.

伸缩梯；延长线

语源

(1)Middle English extensioun

中古英语 extensioun

(2)from Old French extension

源自 古法语 extension

(3)from Latin ext??} ext?nsi?n-

源自 拉丁语 ext??} ext?nsi?n-

(4)from ext?s [past participle of] extendere [to extend] * see extend

源自 ext?s [] extendere的过去分词 [伸展] *参见 extend

继承用法

exten“sional

adj.（形容词）

现代英汉词典

extension

[Ik5stenF(E)n]

n.

(1)延伸，伸展

(2)延伸部分；增大部分

We built an extension onto the school, so now we have two more classrooms.

我们把学校扩建了一些，因此现在我们又多了两间教室。

(3)（电话）分机

"Could I have extension 2856, please?"

请给我接2856分机。

习惯用语

University Extension

大学教育普及运动（如成人教育、夜大学等）

现代英汉综合大辞典

extension

[iks5tenFEn]

n.

(1)扩大; 伸展; (可扩展)范围, 广度

(2)延长, 延期

(3)延长[扩大, 附加, 增设]部分; (电话的)分机

(4)普及; 推广, 发展; 增加[设]; 引伸

(5)(空间的)大小, 尺寸, 线度, 范围, 体积

(6)(语句等的)铺张

(7)【物】广延性;【医】牵伸术, 蔓延, 扩展;【军】延伸;【数】开拓; 移距;【逻】外延;【商】延期还债认可书

(8)会计从另一栏转来[算出]的金额

(9)大学补习部

the extension of our foreign trade

我国外贸的扩大

the extension of the school term

学期延长

the extension of a loan

借款的延期偿还

an extension number

电话分机号码

a university extension

大学补习部; 附设部分(夜大, 函授班等)

extension course

大学函授班(夜校等)开设的课程

extension instrument

附加仪表; 外接仪器

extension ladder

(消防用的)伸缩梯子

extension line

分机线

the extension of education among the peasants

农民教育的普及

The toolshed was built as an extension of the house.

工具房被看作是这座房屋的附加部分。

继承用法

extensionist

n.

extensionless

[Ik`stenFEnlIs]

adj.

习惯用语

extension to

...的延长[扩建]部分

特殊用法

Abelian extension

阿贝耳扩张

aerial extension

架空线

agriculture extension

农业推广

algebraic extension of a field

【数】域的代数扩张

analogical extension

类推扩展

analytic extension

解析开拓

arm extension

背后直臂上举

barrel extension

枪(炮)管节套

base line extension

基线延长

biaxial extension

双轴伸长

breaking extension

致断伸长

bundle-sheath extension

维管束鞘伸展区

canvas extension

帆布输送器延长板

central extension

中心扩张

centre wheel extension

加长中心轮轴

chaffer extension

颖糠筛延长部

chain extension

链延长

closed extension

闭扩张

code extension

代码扩充

collar extension

(试模的)环口, 外口, 领口

complex extension

复扩张

concave extension

凹板延长板[漏种格]

concealed extension

隐匿伸杆

concept extension

概念扩充

continuous extension

【数】连续延拓

crack extension

裂纹扩张

crank extension

曲柄加长柄

credit extension

援权

credit extensions to overseas non-residents

对外国人提供信贷

crimp extension

卷曲延伸

curved extensions of the beams

加长的弯犁辕

cyclic extension

循环扩张

dry extension of electrode

焊丝干伸长

elastic extension

弹性延伸

equivalent extensions

等价扩张

essential extension

本质开拓[扩张]

field extension

域扩张

finite algebraic extension

有限代数扩张

finite purely inseparable extension

有限纯不可分扩张

finite separable extension

有限可分扩张

finitely generated extension

有限生成扩张

frame front extension

车架前端延伸梁

Galois extension of finite degree

有限次伽罗瓦扩张

general extension

均匀伸长

grate extension

(凹板)漏种格延长部分

grinding wheel spindle extension

砂轮主轴伸出

group extension

群扩张

handle extension

手柄伸长部(例如起动摇把的伸长部)

heel extension

(辙叉)跟延长(轨)

high school extension

中学补习部

homotopy extension

同伦扩张

hose extension

软管加长节

imaginary extension of the end line

端线的假想延长线

inseparable extension

不可分扩张

instantaneous extension

瞬时延伸

interface extension

界面宽广度

interval valued extensions

区间值扩展[扩充]

isochoric extension

等容延伸

iterated extension

多重扩张

jib extension

(起重机)转臂加长杆

lateral extension

横向扩张

left flat epimorphic extension

左平坦满射扩张

library extension

[美]图书馆推广部

linear extension

线延伸

longitudinal extension

纵向伸缩

mapping extension

映射扩张

maximal separable extension

极大可分扩张

minimal closed extension

最小闭开拓[扩张]

minimal divisible extension

极小可除扩张

minute extension

小体积

mixed extension of a game

对策的混合扩张

mouldboard extension

犁壁延长板

multiplex extension

多倍仪加密控制

natural extension

自然扩张

neck extension

俯卧抬头

n-fold extensions n

重扩张

non-ramified extension

非分歧开拓

normal extension

法向拉伸

outside extension

外部电话分机

p-adic extension p

进扩张

pedal extension

踏板的接长节

perfect extension

完全扩张

permanent extension

永久延伸[变形]

perpetual extension

持恒拉伸

pile extension

接桩

pole extension

极端, 极靴

polynomial extension

多项式扩张

primary extension

准素扩张

program extension

程序扩展

proper extension

真扩张

pseudolinear extension

伪线性扩张

pure transcendental extension

纯超越扩张

purely inseparable extension

纯不可分扩张

Pythagorean extension

毕达哥拉斯扩张

quadratic extension

二次扩张

quasi-self-conjugate extension

拟自共轭扩张

quotient extension

商扩张

ramified extension

分歧扩张

range extension

范围扩大, 扩大量程

ratchet wrench extension

手摇螺丝扳手接长 节

regular extension

正则扩张

residual extension

剩余伸长

runner extension

横浇口延伸端; 汤道附加物

running board extension

走板延伸端

scalar extension

标量扩张

school extension

扩充部; 学校补习部

self-adjoint extension

自伴扩张

separable algebraic extension

可分代数扩张

separably generated extension

可分生成扩张

shaft extension

轴外伸部

shoulder extension

直臂后举

sight extension

瞄准具升降器

simple algebraic extension

单代数扩张

simple transcendental extension

单超越扩张

smallest closed extension

最小闭扩张

smokebox extension

烟箱延伸圈

spark plug extension

火花塞伸长部

split extension

裂扩张

stem extension

加长轴杆

stepwise extension

按步开拓

strong extension

强扩张

threshold extension

门限扩展

time base extension

时基扩展

toe extension

(辙叉)趾延长(轨)

top extension

顶伸柱

topological extension

拓扑扩张

top-sieve extension

上筛[颖糠筛]的延长部分

torpedo warhead extension

【军】鱼雷战斗部的延伸部分

total extension

总伸展

transcendental field extension

【数】超越扩张域

trigger extension

扳机延伸杆

tubular cage extension

车拦板的管状加高部分

ultimate extension

极限延伸

uniaxial extension

单轴延伸[拉伸]

uniform extension

均匀伸长

unit extension

单位伸长, 延伸率

unramified extension

非分歧扩张

upper sieve extension

上筛[颖糠筛]的延长部分

urban extension

城市推广教育(夜校或函授部)

valve stem extension

阀杆伸长部

wadboard extension

(捡拾压捆机的)填装器延长部分

weak extension

弱扩张

wheel extension

轮圈的扩展成形

extension of a definition

定义的扩张

extension of a function

函数的开拓

extension of a valuation

赋值的扩张

extension of an endomorphism

自同态的扩张

extension of availability

有效期延长

extension of base field

基域的扩张

extension of coefficient fields

系数域的扩张

extension of connection

联络的扩张

extension of continuous functions

连续函数的扩张

extension of hip joint

大腿伸(伸髋)

extension of homeomorphisms

同胚的扩张

extension of hypergeometric functions

超几何函数的开拓

extension of insurance liability

扩展保险责任

extension of isomorphism

同构的扩张

extension of journey

旅程(或行程)延长

extension of knee joint

伸膝

extension of market

市场的扩充

extension of maturity

延长期限

extension of meaning

语义引伸[扩大]

extension of metrics

度量的扩张

extension of modules

模的扩张

extension of plastic zone

塑性区扩大

extension of route

运输契约规定外的运程

extension of the limitation period

时效期的延长

extension of time for payment

准许延期付款

extension of upper limb

上臂伸

extension of validity

有效期的延长

extension of vertebral column

脊柱背伸

[七国语言]英汉地质大词典

extension

延长, 伸长

[七国语言]英汉电子大词典

extension

扩展

[七国语言]英汉电子工程大词典

extension

延长, 扩张

[七国语言]英汉公共大词典

extension

延长

[七国语言]英汉化学大词典

extension

延伸

[七国语言]英汉机械工程大词典

extension

延伸

[七国语言]英汉建筑大词典

extension

延长, 扩张

[七国语言]英汉矿业大词典

extension

拉长, 扩大

[七国语言]英汉数学大词典

extension

扩张, 扩大

[七国语言]英汉信息大词典

extension

扩充, 扩展

[七国语言]英汉冶金大词典

extension

延伸

[七国语言]英汉医学大词典

extension

牵伸 , 扩散 , 伸展

[七国语言]英汉原子能大词典

extension

伸长, 延长

英汉双解计算机词典

extension

扩充(设备,量);［延伸］

1. Additional equipment on the same line and on the same premises,but at a location other than the main station.

与主站处于同一线路上和同一房屋内,但与主站所处位置不同的附加设备。 2. Each telephone served by a private branch exchange. | 由专用小交换机提供服务的电话分机。 3. The amount of space to be allocated at the end of a file each time a sequential write exceeds the allocated length of the file. | 当顺序写操作超出文件原长度时,在文件末端另分配给该文件的空间量。

美国传统词典

extension

ex.ten.sion

AHD:[1k-stμn“sh…n]

D.J.[ik6sten.*n]

K.K.[!k6stWn.*n]

n.Abbr. ext.

(1)The act of extending or the condition of being extended.

(2)The amount, degree, or range to which something extends or can extend:

The wire has an extension of 50 feet.

(3)The act of straightening or extending a limb.

(4)The position assumed by an extended limb.

(5)Medicine The application of traction to a fractured or dislocated limb to restore the normal position.

(6)An addition that increases the area, influence, operation, or contents of something:

an extension for the vacuum cleaner; built a new extension onto the hospital wing.

(7)An additional telephone connected to a main line.

(8)An allowance of extra time, especially for the repayment of a debt.

(9)The period of this extra time:

three months' extension on the loan.

(10)The property of an object by which it occupies space.

(11)A program in a university, college, or school that offers instruction, as by television or correspondence, to persons unable to attend at the usual time or in the usual place.

(12)Logic The class of objects designated by a specific term or concept; denotation.

(13)Mathematics A set that includes a given and similar set as a subset.

n.attributive.

Often used to modify another noun:

an extension ladder; an extension cord.

语源

(1)Middle English extensioun

(2)from Old French extension

(3)from Latin ext??} ext?nsi?n-

(4)from ext?s [past participle of] extendere [to extend] * see extend

继承用法

exten“sional

adj.

[名词委审定]英汉计算机名词(第二版, 2002)

extension

扩展

基本词义

extension

外延

[名词委审定]英汉数学名词(1993)

extension

扩张

[名词委审定]英汉石油名词(1994)

extension

拉张作用

[名词委审定]英汉铁道科技名词(1997)

extension

分机

[名词委审定]英汉医学名词(六, 外科, 1997)

extension

伸展

英汉船舶大词典

extension

n.分机,加长部分,扩充,扩充,伸展,延期

朗文英汉综合电脑词典

extension

扩充[展]，延伸；【微软】扩展名[EXTSN]

英汉电信大词典

extension

n.扩展,伸长;n.伸长,分设

英汉地质大词典

extension

n.伸长,范围,引张

英汉法学大词典

extension

n.扩大管理权限 ,延长,延期,扩建工程 ,延期还款

英汉航海大词典

extension

n.扩充,伸展

英汉航空大词典

extension

n.伸长,扩大部分;n.伸长,伸展

英汉化学大词典

extension

n.伸长,延长,伸出

英汉海运大词典

extension

延长，延伸，扩展，扩大延长部分，延伸部分增设，分设

基本词义

extension

伸长，延长延伸，延期

基本词义

extension

伸长，延长，延伸，扩展，扩大延长部分，延伸部分增设，分设延期

基本词义

extension

伸长，延长，延伸，扩展，扩大延长部分，延伸部分增设，分设

基本词义

extension

延期扩展伸长

英汉经贸大词典

extension

n.扩充,伸展,延期

英汉计算机大词典

extension

n.延长(伸长,大小

英汉机械大词典

extension

n.延长,伸长

英汉建筑大词典

extension

n.伸长,扩张,推广

最新会计师英汉大词典

extension

展期［外汇或货币市场］,延期还债认可书,延期,宽展期

英汉农牧林大词典

extension

n.伸展

英汉能源大词典

extension

n.延长,发展,延长部

英汉水利大词典

extension

n.伸长,延伸期,延伸长

英汉贸易大词典

extension

延期,延期还债认可书,扩张,宽展期,展期(外汇或货币市场)

英汉消防大词典

extension

【消】延长水带线

英汉心理学大词典

extension

伸展

现代商务英汉大词典

extension

延期,延期还债认可书,扩张,宽展期,展期(外汇或货币市场)

英汉冶金大词典

extension

n.延伸,增设

英汉医学大词典

extension

n.蔓延,伸

英汉中医大词典

extension

n.伸,伸直,牵伸术

英汉造纸大词典

extension

n.伸展,扩建,伸出部分