名词
中文翻译：实用存储寿命
同义词：
['practical lifespan', 'practical service life']
例句：
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1. The newdesign of the car has a practical storage life of five years.
这款新车的实用存储寿命为五年。
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2. The battery in this device has a practical storage life of six months.
这款设备的电池具有六个月的实用存储寿命。
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3.The manufacturer claims that their product has a practical storage life of at least two years.
制造商声称他们的产品至少具有两年的实用存储寿命。