modest
发表于 2025-3-23 12:27:41
http://reply.papertrans.cn/29/2843/284221/284221_11.png
overweight
发表于 2025-3-23 16:40:21
http://reply.papertrans.cn/29/2843/284221/284221_12.png
不妥协
发表于 2025-3-23 19:15:16
http://reply.papertrans.cn/29/2843/284221/284221_13.png
繁荣中国
发表于 2025-3-24 01:32:49
Federal Republic of Germany (West Germany),It is often advantageous to describe the motion of a point . not in reference to a fixed coordinate system (.) but in reference to a moving system (.).
intimate
发表于 2025-3-24 05:32:09
http://reply.papertrans.cn/29/2843/284221/284221_15.png
拒绝
发表于 2025-3-24 07:08:57
Federal Republic of Germany (West Germany),The . .(.(.).) describes the motion of a fluid. The vector . assignes to each location in the fluid a velocity . at time .. The velocity field is . for ... = 0, otherwise ..
修饰
发表于 2025-3-24 11:47:18
Kinematics of a Point,The position of a point . in space is described by the ..
丰满有漂亮
发表于 2025-3-24 18:17:42
http://reply.papertrans.cn/29/2843/284221/284221_18.png
喊叫
发表于 2025-3-24 21:05:55
http://reply.papertrans.cn/29/2843/284221/284221_19.png
FECT
发表于 2025-3-25 01:21:27
Kinematics of Rigid Bodies,The Motion of a Rigid Body can be composed of a . and a ..