Expectation of life is the average Numbers of years that a person is expected to live. The expectancy of life is the prediction of average years a person can live.

估计寿命是预计一个人能活得平均年数。

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Based on the insulation diagnosis, prediction of the insulation life expectancy of power equipment abroad had been introduced briefly.

简介了国外在绝缘诊断基础上开展的对设备绝缘期望寿命进行预测评估的工作。

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This software plays a significant role to assess the life expectancy, solving the problem of lifespan prediction data, and improving the safety operation of tower cranes.

本软件对塔机寿命评估，解决塔机寿命预测数据问题，进一步提高塔机运行安全性具有重要意义。

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If apo E is truly a marker for longevity, as the studies hint, then "five or 10 years from now, we may have a panel of genes with which you can make a prediction of life expectancy, " Dr. Breslow speculates.

WSJ: A Gene Gives a Hint Of How Long a Person Might Hope to Live

Life expectancy isn't a prediction of lifespan.

WSJ: Seeking a Survivor for a Lifetime Appointment