One way to tell is by measuring the bones of their forelimbs.

一种判断的方法是测量它们前肢的骨头。

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By measuring the proportion of heavier hydrogen and oxygen isotopes along a strand of hair, scientists can construct a geographic timeline.

通过测量一束头发上较重的氢和氧同位素的比例，科学家可以构建一个地理时间轴。

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By measuring the time required for a signal to travel between the satellites and the antenna, the car's location can be pinned down within 100 meters.

通过测量信号在卫星和天线之间传播所需的时间，汽车的位置可以被锁定在100米误差之内。

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Newton proved his idea by measuring how much gravity force would be needed to keep the moon orbiting the Earth.

VOA: special.2011.06.01

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。

麻省理工公开课 - 化学原理课程节选

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

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The researchers analysed entrepreneurial activity by measuring the number of new business start-ups and self-employment rates.

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Turin's theory: that nasal receptors were tiny spectroscopes, measuring vibration by measuring electron current.

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It would be nice to test this directly by measuring the magnetic field of a pulsar.

ECONOMIST: Pulsars