有了自行车，另一方面，这项工作几乎是次要奖金的主要功能是让你需要的地方去。
With biking, on the other hand, the exercise is almost a secondary bonus to the primary function of getting somewhere you need to go.
在每一个自然法则中都会有主要和次要之分，它们包括推动趋势的积极的一面，消极的一面以及平衡但不确定的一面。
In every law of nature there is a major and a minor; a positive, a negative, and a neutral.
而相邻原机件叶片弦宽尺寸超差，锯齿形工作接触面积小，以及非工作面局部碰磨，是引发故障的次要因素。
Other causes include the out - of - tolerance of blade chord width between adjacent blades, the undersize contact area of serrated working side and the local wearing of non - working side.
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