| 释义 |
DEFINITIVE EXAMPLES 权威例句〔atomic clock〕An extremely precise timekeeping device regulated in correspondence with a characteristic invariant frequency of an atomic or molecular system.原子钟:一种极其精确的计时系统,因其频率与原子或分子显著不变的频率相一致来控制美国传统〔coordinated universal time〕Universal time, taking into account the addition or omission of leap seconds by atomic clocks each year to compensate for changes in the rotation of the earth.世界协调时:普遍的时间。把原子钟每年润秒的增加或遗漏考虑进去,来补偿地球自转中产生的改变美国传统 |