Definition

Examples

• 这台原子钟非常精确，每年误差不到一秒。
  Zhè tái yuán zǐ zhōng fēicháng jīngquè, měi nián wùchā 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。
  Kēxuéjiā yòng yuán zǐ zhōng lái cèliáng dìqiú de zìzhuàn sùdù.
  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。
  Quánqiú dìngwèi xìtǒng yīlài yuán zǐ zhōng tígōng zhǔnquè de shíjiān xìnhào.
  The global positioning system relies on atomic clocks to provide accurate time signals.