名词
中文翻译：充电效率
同义词：
['charging efficiency', 'power efficiency']
例句：
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1.The new charger has a much higher charging efficiency than the old one.
这款新充电器的充电效率比旧的要高得多。
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2. The power station's charging efficiency is crucial for its operation.
电站的充电效率对其运行至关重要。
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3. To improve the charging efficiency of the battery, we need to optimize the design.
为了提高电池的充电效率，我们需要优化设计。