momentum
- n.势头;动量;动力;冲力;推进力
mom 移动 + -ment 行为或结果 + -um 物
noun
推进力;动力;势头
the ability to keep increasing or developing
The fight for his release gathers momentum each day.
争取使他获释的斗争声势日益加强。
They began to lose momentum in the second half of the game.
在比赛的下半场,他们的势头就逐渐减弱。
冲力
a force that is gained by movement
The vehicle gained momentum as the road dipped.
那辆车顺着坡越跑冲力越大。
动量
the quantity of movement of a moving object, measured as its mass multiplied by its speed
momentum
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1
N-UNCOUNT 势头;冲劲;动力
If a process or movement gains momentum, it keeps developing or happening more quickly and keeps becoming less likely to stop.This campaign is really gaining momentum...
该运动的势头越来越猛。
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2
N-UNCOUNT (物理学中的)动量,冲量
In physics, momentum is the mass of a moving object multiplied by its speed in a particular direction.
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It will also make you aware of the importance of a steady kick to your overall balance and momentum .
做端枪练习还能使你意识到不停地打腿对保持整个身体平衡、产生推进力是多么重要。
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The story gained momentum with each retelling .
这个故事从复述中得到了推进力。
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During the 1980s the green movement gathered momentum .
20世纪80年代绿色运动的势头开始增强。
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Demands for his dismissal have gathered momentum in recent weeks
最近几周,要求将他解职的呼声越来越高。
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They are each anxious to maintain the momentum of the search for a solution .
他们每个人都迫切希望能一直劲头十足地去寻求解决方案。
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This campaign is really gaining momentum
该运动的势头越来越猛。
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They picked up momentum , then slipped into neutral and coasted quietly down the slope .
他们加大油门,再切入空挡,随后没大响动地滑下山坡。
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The historical tide is surging forward with great momentum .
历史洪流气势磅礴,奔腾向前。
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A falling object gains momentum as it falls .
物体下落增进动量。
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The spinning top was losing momentum .
旋转的陀螺正在失去动量。
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As the dog sprang on me , I made use of its momentum to press it down and hold it there .
狗扑过来,我就势把它摁住不放。
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The fight for his release gathers momentum each day .
争取使他获释的斗争声势日益加强。
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We 've got to win the game , otherwise we 'll lose our momentum .
这场比赛咱们一定得赢,不能挫了锐气。
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As my opponent threw himself at me , I used his momentum to fling him to the ground .
对手扑过来,我就势把他摔倒在地。
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Angular momentum can accompany nonrotational motion .
非旋转的运动可能伴随着有角动量。
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But there are other kinds of momentum as well .
但也有其他的动量。
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One kind of momentum is technological momentum .
一种动力是技术动力。
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But the momentum of incandescent lighting does not stop there .
但白炽灯的势头并没有就此止步。
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In physics , moving objects have two characteristics relevant to understanding the dynamics of energy systems : inertia and momentum .
在物理学中,运动物体有两个与理解能量系统动力学相关的特征:惯性和动量。
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By far the biggest type of momentum that comes into play when it comes to changing our energy systems is economic momentum .
目前为止,经济是在改变能源系统方面发挥作用的最大动力。
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The fame passed down the years , gaining momentum from mere exposure as it did so .
名气随着岁月流逝而流传,从单纯曝光效应中获得动力。
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It is a movement building steady momentum : a call to make research data , software code and experimental methods publicly available and transparent .
这是一项产生持续声势的运动:使研究数据、软件代码和实验方法分公开、透明的呼吁。
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Another type of momentum we have to think about when planning for changes in our energy systems is labor-pool momentum .
在计划能源系统变革时,我们必须考虑的另一种动力是劳动力储备动力。
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After all , we don 't speak only of objects or people as having momentum ; we speak of entire systems having momentum .
毕竟,我们说不仅物体或人有动量,整个系统都有动量。
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Once you have started the boulder rolling , it develops momentum , which is defined by its mass and velocity .
一旦巨大的石头开始滚动,它就会产生动量,这是由它的质量和速度决定的。
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Momentum is said to be " conserved , " that is , once you build it up , it has to go somewhere .
人们认为动能是守恒的,也就是说,动能一旦产生,就会转化到其他地方。
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Whether it 's a sports team or a presidential campaign , everybody relishes having the big momentum , because it makes them harder to stop or change direction .
无论是运动队还是总统竞选,每个人都喜欢拥有巨大的动量,因为这让他们难以停止或改变方向。
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So a heavy object , like a football player moving at a high speed , has a lot of momentum — that is , once he is moving , it is hard to change his state of motion .
所以一个重的物体(比如一个高速运动的足球运动员)有很大的动量,这意味着一旦他运动起来,就很难改变他的运动状态。
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When you hear people speaking of making a rapid transition toward any type of energy , whether it is a switch from coal to nuclear power , or a switch from gasoline-powered cars to electric cars , or even a switch from an incandescent to a fluorescent light , understanding energy system inertia and momentum can help you decide whether their plans are feasible .
当你听到人们谈论如何快速将一种能源转化为另一种能源的时候,无论是从煤炭到核能,还是从汽油动力汽车到电动汽车,抑或是从白炽灯到荧光灯,了解能源系统的惯性和动量可以帮助你决定他们的计划是否可行。
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Unfortunately for them ( and often the taxpayers ) , our energy systems are a bit like an aircraft carrier : they are unbelievably expensive , they are built to last for a very long time , they have a huge amount of inertia ( meaning it takes a lot of energy to set them moving ) , and they have a lot of momentum once they are set in motion .
不幸的是,对他们(通常是纳税人)来说,我们的能源系统有点像航空母舰:价格高得惊人,需要花很长时间建造,巨大的惯性意味着需要大量的能源才能启动,一旦启动,它们就有很大的动量。
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