捕捉时间运行的轨迹

• 作 者: 周济仁
• 出 处: 中学生数理化(八年级物理)(配合人教社教材)
• 发表日期: 2015年Z2期
• 关键词: 时间测量 大诗人李白 千古名篇 朝辞 云间 擒纵 沙钟 计时工具 机械手表 石英晶体

唐代大诗人李白在千古名篇《早发白帝城》中写道:“朝辞白帝彩云间,千里江陵一日还.”诗人由于心情欢畅的缘故,感觉远隔千山万水的两地仿佛一日之间就能够到达.我们还常说岁月如白驹过隙,转瞬即逝;时光如百川入海,不可倒流.但是时间的流逝不能仅靠凭空感觉,那么让我们追溯一下时间测量的历史,了解一下时间测量是怎样发展的.

Li Bai, a famous poet in the Tang Dynasty, wrote in his essay that “Baidicheng was launched early,” wrote: “The dynasty of Bai dynasty, the thousand miles of Jiangling on the 1st.” "The poet because of the joy of the reason, I feel thousands of miles away The water seems to be able to arrive between the two places in a day, and we often say that time is fleeting, fleeting; time flies into the sea and can not be reversed, but the passage of time can not rely solely on the air, so let’s go back to the time measurement The history of how to measure the development of time.