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life expectancy是什么意思

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life expectancy 是什么意思

中文翻译与英英解释

预期寿命。
life:    n. (pl. lives) 1.生命,性命。 2.一生 ...
expectancy:    n. 1.预期,期望,期待。 2.期望的东西。 短语和例 ...
an expected time to live as calculated on the basis of statistical probabilities

Life expectancy is the expected (in the statistical sense) number of years of life remaining at a given age. It is denoted by ex, which means the average number of subsequent years of life for someone now aged x, according to a particular [experience.

例句与用法

1.Women have a higher life expectancy than men .
女人比男人的预期寿命长。

2.Pollution shortens considerably the life expectancy of a body of water .
污染使水体的估计寿命大为缩短。

3.Particularly cigarette smoking is associated with a shortened life expectancy .
尤其是吸卷烟会缩短人的概率寿命。

4.Before opec, the average life expectancy of cartels had been so short that the economic analysis of cartels tended to stress the inevitability of their collapse .
在石油输出国组织以前,卡特尔的平均期望寿命是如此之短,以致对卡特尔的经济分析往往是强调其解体的不可避免性。

5.Which country has the highest life expectancy
哪一国家人民平均寿命最高?

6.Women have a higher life expectancy than men
女人比男人的预期寿命长

7.Long life expectancy , and the work is more stable and reliable
寿命更长久、工作更稳定可靠。

8.The life expectancy of window parts is also relatively shorter
而窗户零件的一般寿命相对较短。

9.The life expectancy of window parts is also relatively shorter
而窗户零件的一般寿命相对较短。

10.Life expectancy is now75 . 5years
现在的平均寿命已达到75 。 5岁。

 
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