天文鐘

The astronomical clock, invented by the Chinese scientist Su Song over 800 years ago, was the first of its kind in the world. It gave the correct time of the day and night, as well as the sunrise and the sunset. 中國科學(xué)家蘇頌800多年前發(fā)明的天文鐘是世界上最早的天文鐘。 它能自動(dòng)報告晝夜時(shí)刻和日出、日落等情況。