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关注：1
2013-05-23 12:21
求翻译：式中η为变压器的效率；P1为输入功率，P2为输出功率。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
式中η为变压器的效率；P1为输入功率，P2为输出功率。
问题补充： |
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2013-05-23 12:21:38
Where η is the efficiency of the transformer; P1 as the input power, P2 is the output power.
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2013-05-23 12:23:18
In the formula should be for the efficiency of a transformer; P P 2 1 for input power, the output power.
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2013-05-23 12:24:58
Electric power
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2013-05-23 12:26:38
¦Ç transformer efficiency; P1 for the input power, P2 is the output power.
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2013-05-23 12:28:18
¦Ç is transformer efficiency in an; P1 for power, P2 output power.
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