timekeeping
n. 计时；时间记录
例句
Who did the timekeeping?
谁做了计时工作？
《柯林斯英汉双解大词典》
Today, highly accurate timekeeping instruments set the beat for most electronic devices.
今天，高度精确的计时仪器为大多数电子设备设定了节拍。
Big Ben's timekeeping is strictly regulated by a stack of coins placed on the huge pendulum.
大本钟的计时是由放置在巨型钟摆上的一堆硬币严格调节的。
