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Terms for subject Space containing average life | all forms | exact matches only | in specified order only
| English | Chinese |
| average life expectancy | 平均期望工作寿命 |
| average useful life | 平均使用寿命［期限］ |
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| English | Chinese |
| average life expectancy | 平均期望工作寿命 |
| average useful life | 平均使用寿命［期限］ |