[计] 向量和
词型变化:名词复数形式 : vector sums

vector sum的用法和样例:

例句

用作名词(n.)
  1. In heterogeneous anisotropic materials the heat flow vector and conductivity are more complex.在各向异性的非均质材料中,热流向量和热导率很复杂。
  2. It is true that calculations with vectors and vector functions are often made by resort to Descartesian components.的确,向量和向量函数的演算通常是依靠笛卡儿分量来做的。
  3. The terms vector and array will be used interchangeably.术语矢量和矩阵会被交替地使用。
  4. In a dynamic situation the vector sum of the forces acting on the body vanished as in the static case.在动力学状态下,作用在物体上的力和矢量和与静力学情形一样化为零。
【近义词】

发表于:2018-12-08 / 阅读(88) / 评论(0) 分类 医务英语

I don't want this moment to ever end Where everything's nothing without you I wait here forever just to to see you smile cause it's true I am nothing without you Through it all I made my mistakes I'll stumble and fall but I mean these words I

发表于:2018-12-13 / 阅读(80) / 评论(0) 分类 2015第87届奥斯卡

This is the VOA Special English Education Report. Leaders of the world's twenty largest economies will meet this Saturday and Sunday in Toronto, Canada. The Group of 20 will discuss the best ways to guide the world economy to a stronger recovery. The

发表于:2018-12-15 / 阅读(72) / 评论(0) 分类 2010年VOA慢速英语(六)月

发表于:2018-12-25 / 阅读(130) / 评论(0) 分类 中式口语纠错

To me, we actually went an ad line earlier with Apple, 苹果以前有一条广告: that the personal computer was the bicycle of mind, 计算机是思想的自行车 and I believe that with every bone in my body, that of all the inventions of huma

发表于:2018-12-27 / 阅读(79) / 评论(0) 分类 名人传记

379 、 石棉 asbestos;asbestus 380 、 石膏 PlasterofParis 381 、 示波器 oscilloscope 382 、 立体图 pictorialdrawing 383 、 交流电流 alternatingcurrent(a.c.) 384 、 交流电压 a.c.

发表于:2019-01-03 / 阅读(93) / 评论(0) 分类 英文名句短语

By Melinda Smith Washington 24 April 2007 One of the largest groups of milk producers in the United States has set an August first deadline for its members to stop treating their cows with a growth hormone, or pay more to get their milk to market. Th

发表于:2019-01-06 / 阅读(139) / 评论(0) 分类 2007年VOA标准英语(四月)

SEC(Single Edge Connector,单边连接器) Shallow-Trench Isolation(浅槽隔离) SIMD(Single Instruction Multiple Data,单指令多数据流) SiO2F(Fluorided Silicon Oxide,二氧氟化

发表于:2019-01-09 / 阅读(101) / 评论(0) 分类 实用英语

Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) Im Doug Johnson. This week: We play music by Somali-born hip-hop artist Knaan, And answer a listener question about the nations capital, Washington, D.C. ... But first, we report about a rec

发表于:2019-01-10 / 阅读(115) / 评论(0) 分类 VOA慢速英语2009年(三)月

《Pieces》是来自加拿大的摇滚朋克乐队SUM41在2004发布的专辑《CHUCK》中的一首曲目。这首歌也是乐队走向成熟的重要标志。 《Pieces》中英双语歌词: I try to be perfect But nothing was worth it I don't b

发表于:2019-01-10 / 阅读(135) / 评论(0) 分类 经典英文歌曲

LINDA WERTHEIMER, HOST: Chad Matheny dropped his pursuit of a master's degree in physics for a career as a musician. Under the name Emperor X, he's released eight albums, a bunch of cassettes. He had one of his songs used in a major motion picture. T

发表于:2019-01-16 / 阅读(89) / 评论(0) 分类 2017年NPR美国国家公共电台9月

Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) Im Doug Johnson. This week: We play music by Somali-born hip-hop artist Knaan, And answer a listener question about the nations capital, Washington, D.C. ... But first, we report about a reco

发表于:2019-01-31 / 阅读(216) / 评论(0) 分类 2010年慢速英语(三)月

By Larry London Washington 29 October 2007 With two live CD/DVD's, over ten singles, and millions of record sales worldwide, the band Sum 41 is on tour in support of its latest album, Underclass Hero. VOA's Larry London sat down with the bands founde

发表于:2019-01-31 / 阅读(98) / 评论(0) 分类 2007年VOA常速英语(十月)

Secretary-Generals Message on World Health Day 秘书长世界卫生日致辞 7 April 2014 2014年4月7日 Every year more than one million people die from diseases carried by mosquitoes, flies, ticks and other insects, such as triatomine bugs. These

发表于:2019-02-09 / 阅读(94) / 评论(0) 分类 英语笔译

India is preparing to host a two-day summit of leaders of key African countries in a bid to deepen engagement with the continent. The meeting that starts Tuesday is an effort by India to raise its political profile in the resource-rich region. 印度正

发表于:2019-02-14 / 阅读(105) / 评论(0) 分类 VOA双语新闻 2008年4月

Take me away Take me away Take me away I'm getting sick of hypocrites saying nothing Got a feeling that I don't belong You seem to feel like it's alright Take your pick dirty tricks and you love it Takes a lot to just right the wrong It just never fe

发表于:2019-02-18 / 阅读(66) / 评论(0) 分类 英文摇滚歌曲

遥感Remotesensing 多谱线扫描器Multispectralscanner 分辨率Resolution 像素Pixel 谱带Spectralbands 红外线Infrared 紫外线Ultraviolet 雷达Radar 轨迹Path 景物确认Sceneidentificat

发表于:2019-02-18 / 阅读(146) / 评论(0) 分类 英文语法词汇

I don't want this moment to ever end Where everything's nothing without you I wait here forever just to to see you smile cause it's true I am nothing without you Through it all I made my mistakes I'll stumble and fall but I mean these words I

发表于:2019-02-20 / 阅读(94) / 评论(0) 分类 影视英文歌曲

A jester of sorts you stand holding your courts Over minions on Capitol Hill In a bath full of blood I'm alone standing still Under God you can fire at will When the devil's angels come To take your life and lead you To the flames beneath Your headst

发表于:2019-02-25 / 阅读(128) / 评论(0) 分类 英文摇滚歌曲

Sum 41的是来自阿贾克斯,安大略省,自1996年以来积极的加拿大摇滚乐队。现任成员为Deryck Whibley(主唱,节奏吉他),Jason McCaslin(bass,和声),Steve Jocz(鼓,和声),Tom Thacker(主音吉他,

发表于:2019-03-11 / 阅读(151) / 评论(0) 分类 流行英文歌曲
学英语单词
active cutting edge profile
air-combat simulation
Akatovka
anaphragmic
Angelica genuflexa
anthracosaurid
antiabortions
azeotrope
Beagle, Canal
berninger
breast lift
bursae mucosa subtendinea
Chassid
coefficeint of log
coleopter
compartment of uncoupling of receptor and ligand
competitive displacement principle
conspicuus
cool her heels
copper color
corn trade clauses
Death Valley
depeculation
dependant upon
designer apartment
Deutzia subulata
directional radio sonobuoy
dody
doerner
duct entrance
dumbfuckers
emulsion inside and outside
exposed center
extremely
Ferro-calderite
filmsetters
first etching
frequency-translated holography
gas-plasma display
geodiferous
goods-for-naught
Hageman's trait
Illigera celebica
innovation culture
intercapsomere
isohemoagglutinin
Ladies' Day
Lark, R.
machining(of metals)
magnetic tape read head
make her lucky
managerial demand
matter-of-factness
mean spherical illuminance
merilyn
morphonologically
multiple-head broaching machine
muskatoon
N-methyl-2-pyrrolidone
nargileh
nimit
nivara
non-occupational
OPLR
Osage County
osteitis condensans ilii
ovenbottom
permissive leadership
phantom signals
pipelined digital architecture
pleas of guilty
pompless
pooka
prasutaguss
pressmaster
principal parameters
principal plane of bending
protocol type
pteroptrix albocincta
Pusztaottlaka
rail of self hardening steel
randolves
regius
ricinoleidin
runway marking
snailase
soursop tree
soybean protein
spacecraft instrument
spirochaetal stomatitis
stabbing pain
stibilase
stiemsma
stone-throwers
Swedesburg
television optics
toppermost
transitive system
untourable
vintage-style
West Stratton
Zita