名词中文翻译
中文翻译：设备寿命
同义词：
['lifespan', 'service life', 'life expectancy']
例句：
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1. The device's lifetime is expectedto last for five years.
该设备的预计使用寿命为五年。
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2. The company has invested heavilyin improving the lifespan of its products.
该公司已大力投资于提高其产品的使用寿命。
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3. The lifespan of the battery issignificantly reduced by overcharging.
电池的寿命因过度充电而显著缩短。