Through the calculation on flexivity of drag-chainand length of chain curve, set screw-pulling instrumentneeds to be adaptedto suitable period.
通过对牵引链的挠度和链曲线长的计算，确定链传动需要调整的适当时期。
In the study published yesterday, researchersused a series of simple experiments to demonstrate how our minds have adaptedto having search engines on our computers and smartphones.
在昨天公布的研究结果中，研究人员用一系列简单的实验来演示我们的大脑如何适应电脑和智能手机的搜索引擎。
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