A pendulum makes one beat per second, a quartz crystal and a $5 digital watch beats 32,768 times per second, atomic clocks wobble billions of times per second.

钟摆每秒跳动一次，石英晶体和 5 美元的数字手表每秒跳动 32768 次，原子钟每秒摆动数十亿次。