| 1. | The problem concerns the average lifespan of civilization advanced enough to be capable of such communication .
问题在于延长文明的平均寿命，才能适应这样的通信。
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| 2. | Lifespan of the solution for a nonlinear klein - gordon system
系统解的生命跨度
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| 3. | Hey , seeds have no known lifespan . neither do prayers
种子的生命不受时间限制，祷告也一样
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| 4. | Doing so will decrease the lifespan of the product rapidly
这样做会令产品的寿命快速下降。
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| 5. | Because our lifespans are brief , life is even more valuable
人间寿命因为短暂才更显得珍贵。
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| 6. | Of the expected lifespan of the new water mains
新水管的预期寿命？
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| 7. | A dragonfly has a lifespan of 24 hours
蜻蜓的寿命只有24小时。
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| 8. | Paper and paper board - lifespan classes
纸和纸板.使用寿命等级
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| 9. | Lifespan of over 10 years , motor requires engine oil refill and maintenance
年以上，马达须加油保养。
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| 10. | However , some initiatives have a lifespan measured in years
但是，一些计划有一个按年计算的生命周期。
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