efficiency ratings翻译

efficiency ratings的基本解释

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效率评价

例句

The efficiency ratings that makers are claiming for their plug-in hybrids are nonsense.因此，由厂商对他们的混合动力汽车所做出效率评级是毫无意义的。
Before 80 PLUS certification was introduced, most PSUs had 50% to 70% efficiency ratings. Most PSUs now meet the minimum standards of the 80 PLUS program, and it has become the market standard.在80plus认证得以推广之前，大部分电源的利用率都在50 - 70%之间，不过现在大部分电源已经可以满足80plus认证的基本要求，而80plus也成了电源的常用基本标准之一。
To ensure the impeller head and flow ratings, shaft power should be reduced, to reduce energy consumption, and improve impeller efficiency so as to save energy.为保证叶轮的扬程和流量，必须降低轴功率，减少能耗，提高叶轮的效率，才能达到节能减耗的效果。

短语

Telecommunications Energy efficiency ratings 电信能效评级
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