We're going to be reviewing how we make power using power conversion systems.

我们将要回顾的是，我们如何创造能量，变换系统通过是要能量。

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Differences of food energy conversion systems are the main effect that producing discrepancies.

采用不同的食物能量换算系统是导致差异的一个主要原因；

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Wind energy conversion systems have become a focal point in the research of renewable energy sources.

风能转化系统已经成为可再生能源研究的焦点。

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He added that Visa's practices of not allowing use of rival currency conversion systems at merchant outlets also meant that retailers were denied opportunity to share the revenue arising from such transactions.

BBC: Visa sued by Australian competition watchdog

If, on the one hand, you've got biofuels which represent only a half a percent conversion of sunlight, and let's say you've got photovoltaic cells and concentrated solar power systems, the efficiency of solar in terms of pure conversion is 50-100 times greater.

CNN: Biofuels: What do the experts think?