And if the relative velocity of two inertial frames is constant, the compound pendulum in motion runs slower at a same factor than the resting one.是什么意思_And if the relative velocity of two inertial frames is constant, the compound pendulum in motion runs slower at a same factor than the resting one.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句