The batteries had a life span of six hours.
电池的使用寿命是6小时。
Thus they are not able to "experience life" and so they attain a high life span in captivity.
因此，他们不能“体验生活”，从而在囚禁中获得了较长的寿命。
Nevertheless, a restricted life span, ageing, and then death are basic characteristics of life.
然而，有限的寿命、衰老和死亡是生命的基本特征。
Experience will show that to live in this way not only increases the life span but is also very healthy.
经验会表明这样的生活方式不仅能延长寿命，而且是非常健康的。
Long-living women are also more likely to be sympathetic and cooperative than women with a normal life span.
与寿命处于正常范围内的女性相比，长寿女性更有可能具有同情心和合作精神。
The results add to a growing body of evidence that certain psychological factors may predict a longer life span.
有越来越多的证据表明，某些心理因素或许能预示更长的寿命，这些结果进一步证实了这一点。
In comparison to the life span this relationship is "inverted": the larger the organism the lower its metabolic rate.
与寿命相比，这种关系是“反向的”：生物体越大，其代谢率越低。
Like the life span, the metabolic rate has for different organisms a fixed mathematical relationship to the body mass.
就像寿命一样，不同生物的新陈代谢率与身体质量有着固定的数学关系。
There are striking differences in life span between different species, but within one species the parameter is relatively constant.
不同物种之间的寿命存在显著差异，但在同一物种内，这一参数是相对稳定的。
Optimism's benefits for physical health also extend beyond heart health, such as improved immune system function and increased life span.
乐观对身体健康的益处不仅限于心脏健康，还包括改善免疫系统功能和延长寿命。
If you examine the metabolic rates of the two sexes you establish that the higher male metabolic rate roughly accounts for the lower male life span.
如果你研究两性的代谢率，你就会发现，男性较高的代谢率大致解释了为何他们寿命较短。
The major components of our energy systems, such as fuel production, refining, electrical generation and distribution, are costly installation that have lengthy life span.
我们能源系统的主要组成部分，如燃料生产、提炼、发电和分配，用的是昂贵的、使用寿命较长的装置。
Average life span in the wild: 70 years.
在野生环境中的平均寿命：70年。
NEWS: American Life Span Gains shrinking.
新闻：美国人平均寿命增长缩水。
I'll give you a life span of 20 years.
我给你20年的生命。
Average life span in the wild: 45 to 50 years.
野生时的平均寿命：45 ~50年。
A wind turbine has a life span of at least 25 years.
风力透平的寿命至少是25年。
Dissipating heat prolongs life span and increases efficiency.
散热延长汽车寿命并提高效率。
A typical life span for Sumatran orangutans is 40 to 50 years.
苏门答腊猩猩的平均寿命在40到50岁。
Perhaps most significantly, blog posts now have a longer life span.
或许最重要的是，博客文章的生命周期更长。
Episodes of mania and depression typically recur across the life span.
阶段性的躁狂和抑郁通常在一生中反复发作。
Compare this with an average life span of 52 in 1960, or of about 30 in 1900.
把这个数字与1960年的平均寿命52岁相比，又或者与1900年的人均30岁寿命相比。
That 24-hour period constitutes the entire life span of this time traveler.
那24小时期间是这位时空穿梭者一生的时间。
Increasing one's life span can actually be achieved without any procedures.
长寿实际上可以不用通过任何程序就能实现。
Flip your mattress and rotate it every three months to extend its life span.
把床垫翻过来并每三个月调换一次方向以延长使用周期。
One area where the industry needs improvement is in the life span of its products.
该行业需要改进的一个领域是其产品的寿命。
"We do know that happiness is associated with an extended life span," she says.
“我们知道幸福与长寿的范围有关，”她说。
But some farmers plant cocoa under shade trees, increasing the life span of the cocoa trees.
然而现在很多农民开始在潮湿阴暗的环境下种植可可树，从而大大增加了它们的寿命。
But some farmers plant cocoa under shade trees, increasing the life span of the cocoa trees.
然而现在很多农民开始在潮湿阴暗的环境下种植可可树，从而大大增加了它们的寿命。
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