一旦你开始让巨石滚动，巨石就会产生动量，这是由其质量和速度决定的。
Once you have started the boulder rolling, it develops momentum, which is defined by its mass and velocity.
我可以测量它了，因为我把它拉到了一厘米，我发现它对一个已知质量施加的加速度。
I can measure that, because I pull it by one centimeter and I find the acceleration it exerts on a known mass.
此外，对于行业来说，处理交易、速度、准确性、传输质量，以及信息的分发成了一个重要的成功因素。
Moreover, for industries dealing with trading, speed, accuracy, and quality of transmission and distribution of information became one of the major success factors.
大量研究已经发现缬草改善深度睡眠，提高入睡的速度和睡眠的整体质量。
Numerous studies have found that valerian improves deep sleep, speed of falling asleep, and overall quality of sleep.
因为中微子的质量非常小，所以它的速度应该非常接近光速。
Since neutrinos have a tiny mass, the speed should be very close to the speed of light.
但这两起危机又提出了疑问：科技公司面对系统故障时，怎样确保其提供信息的速度与质量。
The two crises have also raised questions about the speed and quality of information provided by tech companies when confronted with systems failures.
科学家们利用哈勃望远镜计算出该恒星行进的方向和离银河系中心的距离，连同他的质量、年龄和速度一起计算。
The scientists used the Hubble to figure out the direction of the star's travels and the distance from the galactic center, along with the star's mass, age and speed.
此函数提供了去掉边缘锯齿的功能，虽然牺牲了速度，却改进了图像的质量。
This function provides anti-aliasing of the edges and improves the quality of the image at the cost of speed.
通过德布罗意所说的,只要我们知道了,它的质量和速度，我们可以知道,任何物质的波长。
What de Broglie is saying we can know the wavelength of any matter at all, as long as we know its mass and it's velocity.
一个支持性的开发基础设施能显著地改善这些组件的速度，质量和架构完整性。
A supportive development infrastructure can dramatically improve the speed, quality, and architectural integrity of these components.
在我们使用方程这方面，事实上有时是很容易代入的，因为动量等于质量乘以速度。
And in terms of equations that we use, it's sometimes easier to plug in the fact, since momentum is equal to mass times velocity.
这个修正了的速度表明，银河系的质量大约是太阳的3万亿倍。
The revised speed suggests the Milky Way weighs some 3 trillion times the mass of the Sun.
我们想知道，质量重心的速度是多少，对于另一个。
We want to know what the velocity is of the center of mass of the other one.
最糟糕的就是，由于这种过渡使软件开发组织降低了开发质量和开发速度，甚至失去了客户的信任。
In the worst cases, the development organization actually lost quality, speed or even customers due to the transition attempt.
尽管科学文献的数量以惊人的速度增加，但是其质量却有很大的不同。
Although the volume of scientific literature grows enormously, the scientific quality of investigative articles is very varied.
但让人惊叹的数量让质量黯然失色。他的速度是靠走捷径和黑客入侵换来的。
He works much faster than most, but his amazing quantity is tarnished by its quality: his speed results from cutting corners and hacking core.
这些规划规则纳入了下一代规划方法，该方法更精简且能够提高质量和执行查询的速度。
These planning rules incorporate the next generation planning approach which is more streamlined and produces higher quality and faster to execute queries.
质量重心的速度，并没有发生改变，你在参照系中可以看出，因为质量重心的速度，总是保持不变，要记住，由于动量守恒。
The velocity of the center of mass has not changed as seen from your frame of reference, because the velocity of center of mass is always the same, remember, because momentum is conserved.
物理中，动量是矢量，它产生于,由粒子的质量与速度。
Well, in physics, momentum is a vector, and it is a product between the mass of a particle and its velocity.
顺便提一下-，这并不明显-，它也是质量重心的速度。
This, by the way — - it's not so obvious — is also the velocity of the center of mass.
恒星的质量越大，它消耗氢燃料的速度也就越快，它在主序中停留的时间也就越短。
The greater the mass of such a star, the more quickly it will use its hydrogen fuel and the shorter it stays on the main sequence.
谈到动量这个词-质量乘以速度-Google确实展现出了惊人的优势。
In terms of momentum—mass times velocity—Google's lead indeed looks daunting.
‘所放屁的质量和速度，’在那封极其讨我欢心的邮件中，他写道，‘与人体质量相比相当之小。’
'the mass and velocity of the expelled gas,' he told me in an E-mail that has forever endeared him to me,.
此外，提高援助质量，加快援助协调与和谐化方面的进展速度。
In addition, improve the quality of aid, with faster progress on aid coordination and harmonization.
在旋转时，力变成力矩，质量变成转动惯量，加速度变成角加速度。
In rotation, force becomes torque, mass becomes moment of inertia, and acceleration becomes angular acceleration.
没错，很多团队碰到质量低劣的代码时，会放慢速度，产出的价值也会减少，而这对于质量没有任何好处。
Yep, most teams will respond to poor quality by slowing down and producing less value, which doesn't actually do anything for quality.
没错，很多团队碰到质量低劣的代码时，会放慢速度，产出的价值也会减少，而这对于质量没有任何好处。
Yep, most teams will respond to poor quality by slowing down and producing less value, which doesn't actually do anything for quality.
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