名词
中文翻译：秒摆
同义词：
['secondary pendulum', 'secondary oscillator']
例句：
-
1. The second pendulum is used to measure the time interval between two events.
秒摆用于测量两个事件之间的时间间隔。
-
2. The second pendulum was used to determine the speed of light in a vacuum.
秒摆被用来测定光在真空中的速度。
-
3.The second pendulum was used as a reference for measuring the accuracy of clocks.
秒摆作为测量时钟准确性的参考。