The body appears to remain suspended in space if it has no initial velocity relative to the elevator . 如果物体相对于升降机没有初速度的话,这个物体看起来就好象是一直悬在空中不动。
For many given initial velocity, there is one particular angle of departure for which the horizontal range is a maximum . 对于任一给定的初速度,有一特殊的发射角,以此角度发射,水平射程最大。
Effect of contact breakaway muzzle velocity 直流电路触点分离初速度对分断的影响
Initial speed of braking 制动初速度
The design of cannon - shot muzzle velocity instrument based on labview and virtual instrument techonlogy 一种基于虚拟仪器技术的弹丸初速度测试仪的设计
Technical condition about inflatable device for determining initial velocity of gas emission from boreholes 充气式钻孔瓦斯涌出初速度.测定装置技术条件
Dynamic measurement technology of foundation pile with reflect wave method and frequency - initial velocity method and its application 初速度法基桩动测技术及其应用
Methane emission rate prediction in fully - mechanized excavated faces based on initial speed of methane emission of coal wall 基于煤壁瓦斯涌出初速度的综掘工作面瓦斯涌出量预测
Whether sand can saltate from sand bed surface and quality of sand incipience are very important to the sand transport and the form of wind - blown - sand 沙粒能否起动以及起动质量如何,如起动初速度、起动角度等参数都直接关系到沙粒的输运和风沙两相流形成。