曳力是流体对其中有相对速度的固体施加的力这个力与相对速度方向相反其实就是相对运动阻力。
关键词：泡沫；延时膨胀；运动；曳力；发泡率 [gap=9866]Keywords: foam; delayed expansion; movement; drag force; expansion rate
基于490个网页-相关网页
这种自行车的设计减少了风阻及曳力的影响。
The design of the bicycle reduces the effects of wind resistance and drag.
解决了初始和边值问题，包括位移的、曳力的和混合的边值条件。
Both initial and boundary-value problems, including displacement, traction and mixed boundary conditions are solved.
可相容的边值条件显然是作用在球壳的内表面和外表面上的均匀曳力。
The compatible boundary conditions are evidently uniform tractions applied on the inner and outer surfaces of the shell.
应用推荐