但是由于其周围温度环境(辐射、热传导及对流状况等)与电机内部的发热规律不一致，所以不能对电动机进行有效的保护。
But because of the temperature environment (radiation, heat conduction and convection) and the internal heat of the motor is not consistent, so we can not effectively protect the motor.
这些“树”能够降低周围环境的温度，还能产生干净的电力。
The trees will cool the surrounding environments and as a bonus generate clean electricity.
芯片也可以使用温差热电材料- - -这种材料因环境中两种不同温度而产生电流- - -例如身体温度和(通常是)我们周围的更凉的空气。
The chip could also use thermoelectric materials, which produce an electric current when exposed to two different temperatures-such as body heat and the (usually) cooler air around us.
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