Efficient power conversion circuitry can minimize the loss to save energy and protect environment.
高效的功率转换电路把损耗降到最低，节能环保。
The highly efficient power conversion circuit not only minimize losses, but also save energy and protect environment.
高效的功率转换电路把损耗降到最低，节能环保。
The proton exchange membrane fuel cell (PEMFC) is one of the most promising power sources for future electric vehicles due to it's high power density and energy conversion efficient.
质子交换膜燃料电池（PEMFC）具有较高的功率密度和能量转化效率，最有可能成为电动汽车的动力源。
DC air conditioning is simpler to install and more efficient than an AC unit, because you do not need an inverter and the waste of its roughly 85% power conversion effectiveness.
DC冷气系统安装更简单而且比起ac冷气系统更有效，因为你不需要变流器并且也不用浪费大约85%的能量转换效率。
DC air conditioning is simpler to install and more efficient than an AC unit, because you do not need an inverter and the waste of its roughly 85% power conversion effectiveness.
DC冷气系统安装更简单而且比起ac冷气系统更有效，因为你不需要变流器并且也不用浪费大约85%的能量转换效率。
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