This is how the electric motor transforms electrical energy into mechanical energy.

这就是电机电能转化为机械能的过程。

That vibration converts sound energy to mechanical energy, which muffles the echo that gets back to the bats.

这种振声波的能量转化为机械能，从而减弱了传回蝙蝠的回声。

" Power, " finally, can mean energy, especially electrical or mechanical energy.

最后，“功率”可以表示能量，尤其是电能或机械能。

The ball mill's mechanical energy turns the plastic into a fine powder.

球磨机的机械能塑料变成细粉。

Both of these results, turning mechanical energy into electrical, and electrical energy into mechanical, were remarkable.

这两个结果，机械能转化为电能，电能转化为机械能，都是非常了不起的。

DNA, bone, and silk all have this ability to turn mechanical energy into electrical.

DNA、骨头丝绸都具有机械能转化为电能的能力。

For the opposite transformation, converting mechanical energy to electrical, consider the lights that turn on when you clap.

对于相反的转换，机械能转换为电能，请考虑在您拍手时打开的灯。

That vibration converts sound energy to mechanical energy, which muffles the echo that gets back to the bats.

霍普金：这种振声能转化为机械能，从而抑了传回蝙蝠的回声。

The competition will not require the machines to produce electrical power. He says changing the mechanical kinetic energy into electrical energy is easy.

这场竞赛不需要机造电力，他说机械能转化为电能很简单。

And piezoelectric devices may become even more common since electricity is in high demand and mechanical energy is abundant.

由于电力需求量大且机械能丰富，压电设备可能会变得更加普遍。

But falling from a height of just two  meters has about the same mechanical energy as a bowling ball dropped from  a 7 story building.

但从仅仅两米的高度落下，其产生的机械能与保龄球从七层楼上落下所产生的机械能大致相同。

Motors take electrical energy – so, the current running through a coil of wire – and convert it into mechanical energy as the motor turns.

电机吸收电能——即流过线圈的电流——并在电机转时其转换为机械能。

Our heart would use up less mechanical energy by reducing our pulse rate (the speed it pumps) and reducing blood pressure (the force it pumps).

我们的心脏会通过降低心率（泵血的速度）降低血压（泵血的力量）减少机械能的消耗。

In quadrupeds, like the tiger, their tricep and shoulder muscles contract in a long gait in a special way that absorbs the mechanical energy and disperses it as harmless heat.

偶足类物，例如老虎，它们的三头肌肩部肌肉长时间以一种特殊的方式收缩，以此吸收机械能并其分散为无害的热量。

The amazing thing about your complicated, self-healing, blood-guzzling muscle tissues is that they turn chemical potential energy into mechanical energy, or movement, simply by doing two things — contracting and relaxing.

你复杂的，自愈的，耗血的肌肉组织的神奇之处在于它们化学势能转化为机械能，或运，仅仅通过做两件事情——收缩放松。

He wished to be shown that changes in form caused evolution in force; that chemical or mechanical energy had by natural selection and minute changes, under uniform conditions, converted itself into thought.

他希望证明形式的变化会导致力量的进化。化学能或机械能通过自然选择微小的变化，在相同的条件下，自身转化为思想。

In general, metal foams are useful for high-tech shock and impact absorbers, the gas inside makes them extremely compressible, so they can absorb a lot of mechanical energy, while still retaining some of the strength and durability of a metal.

总之，金属泡沫对高科技震压力吸收的帮助很大，内部气体让物质极度压缩，可吸收很多机械能，而且依然保留金属的强度耐用性。

Generators, on the other hand, take mechanical energy – the rotation of a coil of wire – and use induction to convert it into electrical energy, in the form of a current running through a wire.

另一方面，发电机获取机械能——线圈的旋转——并使用感应其转换为电能，以电流流过电线的形式。