The Kepler space telescope looks for planets by measuring tiny decreases in the brightness of stars when planets cross in front of them.
VOA: special.2011.02.09
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。
It works by a control mechanism called negative feedback, and the thermostat is measuring the temperature and then sending a signal to a heater somewhere.
是通过一种叫做负反馈的控制机制,探测器测量温度,再把信号传给加热器
The team made the discovery by measuring the speed at which our galaxy is moving through space.
VOA: special.2009.01.20
That's how by either balancing the unknown force with a known force or by simply measuring the acceleration as I fall towards this podium and multiplying by mass, you can find the force that exerts on me.
我们既可以让未知力与已知力平衡,也可以只测量我冲向讲台时加速度的大小,再与我的质量相乘,都能求出作用在我身上的力的大小
Failure to maintain tight control of glucose levels - by measuring blood sugar with a meter and compensating with doses of insulin - can result in serious health complications, including blindness, kidney failure and heart disease.
VOA: standard.2010.04.15
These are four little books in a box measuring about seven by ten centimeters.
VOA: special.2009.10.05
We do not have the choice,he said. Mr.Sarkozy's remarks coincided with the publication of a new report by two Nobel economists, Joseph Stiglitz and Armatya Sen, that looks at non-traditional ways at measuring social progress.
VOA: standard.2009.09.14
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