人们常用“一寸光阴一寸金”、“分秒必争”这样的词语来形容时间的宝贵,你可知道,2009年的元旦,我们每个人都额外地获得了国家授时中心送出的1秒钟.“转”出来的1秒时间一般由地球的公转和自转来确定,那 People often use words such as “an inch of time, an inch of gold,” “minutely seconds to fight,” to describe the preciousness of time. As you can see, everyone on New Year's Day 2009 additionally obtained one second from the National Time Service Center The “1 second” time from “turn ” is usually determined by the revolution and rotation of the Earth