ordinary life
正常可折旧寿命 normal depreciable life
正常使用寿命 Normal life
七十岁或八十岁是一个人的正常寿命。
Seventy or eighty years is the normal span of a human life.
youdao
兔子的正常寿命为10年。
The normal life of rabbit for 10 years.
第三,与官方声称和大家的期望相反,在光影的正常寿命内已经出现了亮度的衰减。
Third, contrary to claims and expectations, as the light source ages it appears to lose light output.
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