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

extensional
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

extensional
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

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