秒摆

miǎo bǎi
  • second pendulum
秒摆秒摆
秒摆 [miǎo bǎi]
  • [seconds pendulum] 向一个方向摆动一次,需时一秒整,左右整个摆动一次,需时两秒整的摆

秒摆[miǎo bǎi]