Health is measured easily enough. Take expectancy at birth, subtract 25 years, then divide by 60.
健康指标的计算就够简单的了: 用出生时的预期寿命减去25年, 再除以60.
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Reinforcement theory, like expectancy theory, is a way to link motivation and behaviors.
强化理论, 期望理论一样, 是一种以链接的动机和行为.
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Explain the three key linkages in expectancy theory and their role in motivation.
解释期望理论与他们的作用在动机上的三个关键联系.
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Stars flare up and produce a lot of heat at half their life expectancy.
恒星在其生命到了一半之时会爆发性的燃烧并产生很多热量.
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Life expectancy for whites in 2005 was 78.3 , the same as in 2004.
2005年白人的预期寿命与2004年相同,为78.3岁.
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It then examined how these risk factors reduced life expectancy in eight population groups.
然后在八个人口群体中研究这些因子是如何缩短预期寿命.
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Average life expectancy has risen from 36 years before liberation to 65 years at present.
平均期望寿命已由解放前的36岁提高到目前的65岁.
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Longer life expectancy and better health have not been accompanied by longer working lives.
人类寿命的延长或健康状况的提升并没有带来随之相伴的个人工作年限的延长.
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That is why life expectancy is on the rise and infant mortality on the decline.
这就是期望寿命上升、婴儿死亡率下降的原因.
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Long service life : the service life expectancy of the pipes is more than 50 years.
使用寿命长: 管道系统在正常使用下寿命可长达50年以上.
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