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

这就是电动机将电转化为机械的过程。

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

这种振动将超声波的量转化为机械，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”可以表示量，尤其是电或机械。

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

球磨机的机械将塑料变。

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

DNA、骨头和丝绸都具有将机械转化为电的力。

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

这两个结果，将机械转化为电，将电转化为机械，都是非常了不起的。

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，将机械转换为电，请考虑手时打开的灯。

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

霍普金：这种振动将声转化为机械，从而抑制了传回蝙蝠的回声。

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

这场竞赛不需要机器来制造电力，他说将机械动转化为电很简单。

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丰富，压电设备可会变得更加普遍。

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，其产生的机械与保龄球从七层楼上落下所产生的机械大致相同。

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——即流过线圈的电流——并电机转动时将其转换为机械。

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）和降低血压（泵血的力量）来减少机械的消耗。

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.

偶足类动物，例如老虎，它们的三头肌和肩部肌肉长时间以一种特殊的方式收缩，以此来吸收机械并将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于它们将化学势转化为机械，或运动，仅仅通过做两件事情——收缩和放松。

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。化学或机械通过自然选择和微小的变化，相同的条件下，将自身转化为思想。

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——线圈的旋转——并使用感应将其转换为电，以电流流过电线的形式。

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动和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，而且依然保留金属的强度和耐用性。