释义 |
pendulum mass 基本例句 摆质量,摆锤 The hydrometric pendulum is sometimes used to determine flow velocities in open channels.测流速的摆锤有时用于确定明渠中的流速。 Huygens saw that a pendulum traversing a circular arc completed small oscillations faster than large ones.惠更斯观察到,若摆锤沿著圆弧摆荡,那麽摆动幅度小的时候会比幅度大时振荡得快。 |