One instance of simple harmonic motion is that of the projection on any diametre of a point which describes a circular path with uniform angular velocity.
当一质点以匀角速度作圆围运动时,则它在作意直径上的投影的运动便是简谐 …
词典释义:
n. 直径
One instance of simple harmonic motion is that of the projection on any diametre of a point which describes a circular path with uniform angular velocity.
当一质点以匀角速度作圆围运动时,则它在作意直径上的投影的运动便是简谐 …