原子钟 (yuán zǐ zhōng) — atomic clock

Definition

Examples

• 这台原子钟非常精确，每年误差不到一秒。
  Zhè tái yuán zǐ zhōng fēi cháng jīng què, měi nián wù chā bú dào yì miǎo.
  This atomic clock is extremely precise, with an error of less than one second per year.
• 科学家用原子钟来测量地球的自转速度。
  Kē xué jiā yòng yuán zǐ zhōng lái cè liáng dì qiú de zì zhuàn sù dù.
  Scientists use atomic clocks to measure the Earth's rotation speed.
• 全球定位系统依赖原子钟提供准确的时间信号。
  Quán qiú dìng wèi xì tǒng yī lài yuán zǐ zhōng tí gōng zhǔn què de shí jiān xìn hào.
  The global positioning system relies on atomic clocks to provide accurate time signals.