V

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V是什么意思
英式音标:[vi:]英式读音
美式音标:[vi]美式读音
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概况:

n. 英语字母中的第二十二个字母

abbr. 钒(vanadium);伏特(volt)

词义:

n.

英语字母表的第22个字母;

abbr.

对抗;非常;

英英释义

V[ vi: ]

n.

a unit of potential equal to the potential difference between two points on a conductor carrying a current of 1 ampere when the power dissipated between the two points is 1 watt; equivalent to the potential difference across a resistance of 1 ohm when 1 ampere of current flows through it

同义词:volt

a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite

同义词:vanadiumatomic number 23

the cardinal number that is the sum of four and one

同义词:five5cinquequintquintetfivesomequintupletpentadfinPhoebeLittle Phoebe

the 22nd letter of the Roman alphabet

同义词:letter v

adj.being one more than four

同义词:five5

用法:

词组短语

v belt三角皮带;V型皮带

v sign表赞成之V形记号

权威例句

V. Adaptive Control Processes

CLUSTAL V: improved software for multiple sequence alignment

The fractal geometry of nature : v.1

The algebraic theory of semigroups : v. 1

Non-homogeneous boundary value problems and applications : v.2

V-BLAST: an architecture for realizing very high data rates over the rich-scattering wireless channel

Band parameters for III-V compound semiconductors and their alloys. J Appl Phys

Molecular Compounds and Their Spectra. V. Orientation in Molecular Complexes

Detection algorithm and initial laboratory results using V-BLAST space-time communication architecture

FAO [Food and Agriculture Organization of the United Nations] trade yearbook, (1981) v. 35.
英语词源:

V

In Middle English, -u- and -v- were used interchangeably, though with a preference for v- as the initial letter (vnder, vain, etc.) and -u- elsewhere (full, euer, etc.). The distinction into consonant and vowel identities was established in English by 1630, under influence of continental printers, but into 19c. some dictionaries and other catalogues continued to list -u- and -v- words as a single series. No native Anglo-Saxon words begin in v- except those (vane, vat, vixen) altered by the southwestern England habit of replacing initial f- with v- (and initial s- with z-). Confusion of -v- and -w- also was a characteristic of 16c. Cockney accents. As a Roman numeral, "five." In German rocket weapons systems of World War II, it stood for Vergeltungswaffe "reprisal weapon." V-eight as a type of motor engine is recorded from 1929 (V-engine is attested from 1909), so called for the arrangement. The V for "victory" hand sign was conceived January 1941 by Belgian politician and resistance leader Victor de Laveleye, to signify French victoire and Flemish vrijheid ("freedom"). It was broadcast into Europe by Radio België/Radio Belgique and popularized by the BBC by June 1941, from which time it became a universal allied gesture.

造句:

1. Numerical examples are mostly taken from studies of the Saturn V vehicle.

数值例子大多数取自“土星v”飞行器的研究。

-- 来源 -- 英汉 - 辞典例句

2. V is the velocity after the gas particle rebounds from the wall.

v是粒子从壁上弹开后的速度。

-- 来源 -- 英汉 - 辞典例句

3. The opening displacement V is equal to the thickness contraction W.

张开位移v等于厚度的收缩量W。

-- 来源 -- 英汉 - 辞典例句

4. Let u and v be nonconsecutive vertices on c.

设u和v是c上不相邻的两个顶点。

-- 来源 -- 英汉 - 辞典例句

5. The set E may be thought of as a binary relation on set V.

集合E可看成集合v上的一个二元关系。

-- 来源 -- 英汉 - 辞典例句

6. The indegree of a vertex V in D is the number of arcs with head

v.D中顶点v的入度是指以v为头的弧的数目。

-- 来源 -- 英汉 - 辞典例句

7. The volume V is given in terms of the scalar triple product.

体积v能用数量三乘积表示。

-- 来源 -- 英汉 - 辞典例句

8. On shipboard applications, where V is low, the error is small.

在船舶上应用时,其v(速度)比较低,误差也比较

-- 来源 -- 英汉 - 辞典例句

9. The term wx/v can be incorporated in the initial phase.

wx/v这一项可以合并入初位相。

-- 来源 -- 英汉 - 辞典例句

10. The greatest stress is found at the location on the cross section where V is the largest.

最大应力出现在横截面上v为最大的地方。

-- 来源 -- 英汉 - 辞典例句

V

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