中国古代的计时单位
SHUXUE XIAO LINGTONG(2012)
Abstract
我国古代有自己独特的计时方法和计时仪器,由此逐渐产生了自己独特的计时单位——时、刻、更、鼓、点.
时:是指"时辰",古时一天分12个时辰,采用地支作为时辰名称,并有古代的习惯称法.时辰的起点是午夜.北宋时开始将每个时辰分为"初""正"两部分,分十二时辰为二十四,称"小时".
MoreAI Read Science
Must-Reading Tree
Example
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined