If we know the Angle? The acceleration of the train can be calculated.
只要测出？角，就能知道列车的加速度。
By this method locomotive supervise and record apparatus can be used to judge the condition of train line Angle cock according to the air-filled time and air-bled time of train line.
介绍了一种判断列车管折角塞门状态的新方法借助机车监控装置如何利用列车管充风和排风时间来判断列车管折角塞门的状态。
From esthetics Angle, the article analyzes connotation of posture language beauty and expounds how to train posture language beauty in sports teaching process in order to enhance teaching effect.
本文从美学角度入手，通过剖析体态语言美的内涵，论述在体育教学过程中如何造就体态语言美以提高教学整体效果。
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