列入上述评估的仅有室内空气污染作为一个原因的证据为强有力的那些卫生结果。
Included in the above assessment were only those health outcomes for which the evidence for indoor air pollution as a cause was classified as strong.
另一个原因是熊妈妈可能不够胖,无法为它们的幼崽产奶,所以一些熊可能会停止生育。
The other reason is that mother bears may not be fat enough to produce milk for their babies, so some bears could stop having babies.
它在北极的破冰只有一个原因:为其它船只清理出一条路线,使他们能开发利用冰冻的北极。
It does it for one reason: to clear a path for other vessels, so they can take advantage of the frozen Arctic.
But the other reason to go through the thermodynamic cycles and really to develop great facility with them is because there are just an awful lot of things in nature and things that we build that run in cycles, where we want to calculate the thermodynamics, right.
但是要推导热力学,循环并为之发展一套,完善方法的另外一个原因是,自然界中或人造的那些,我们想计算它们的热力学的东西,有很多是以循环的方式运作的。
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