加速度

Through comparisons and analyzing of a large amount of cases, the dynamic friction characteristics between slide guide and rail, including the variation tendency of friction with the parameters just like relative displacement、relative velocity、relative acceleration、contact area、lubrication condition and slide guide type, are discussed.

通过分析和比较大量的实验结果，探讨了导靴与导轨之间的摩擦特性，包括摩擦力随相对运动的位移、速度、加速度，以及正压力、润滑状况和导靴类型等参数的变化情况，为进一步的研究工作提供实验基础。

Now, their motion states will change, such as their motion velocities、accelerations and motion directions.

此时，其运动状态将发生改变，表现为速度、加速度、运动方向的改变。

ECG of the subjects under aerospace stress conditions including acute altitude liypoxia, pressure breathing, acceleration, weightlessness, low body negative pressure and explosive decompression and non-pathologic ECG of athletes ,aviators and common workmen were reviewed.

本文概述了航空、航天应激心电图(高空急性缺氧，加压供氧、加速度，失重，高温、下身负压与爆炸减压)、运动员与飞行员以及普通工作人员的非病理性心电图。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。