These are some of the most fundamental ways to measure the world's progress-and by that measure, 2014 was definitely another good year.
这些是衡量世界进步的最根本的方法——而且通过以下的估量,2014绝对又是让人欢喜的一年。
Thus time and time's relativity are measurable by any hourglass, alarm clock, or atomic clock that can measure a billionth of a second.
因此,时间和时间的相对性可以用任何沙漏、闹钟或原子钟来测量,其中原子钟可测量出十亿分之一秒。
I can measure that, because I pull it by one centimeter and I find the acceleration it exerts on a known mass.
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。
But before any bill can become law, the Senate must pass its version, the House and Senate bills must be reconciled and that final measure must be signed by the President.
VOA: standard.2010.02.25
The second piece of information we need to know is what actually the kinetic energy is of the ejected electron, and that's something we can just measure by measuring its velocity.
其次,我们需要知道的信息是,出射电子的动能,这可以通过,测量它们的速度得到。
Now I can measure that, because I pull it by one centimeter and I find the acceleration it exerts on a known mass.
现在就能测量这个力了,因为把弹簧拉伸 1 厘米,我就知道它让一个质量已知的物体产生的加速度
应用推荐