“九”在古中国从我国历史上看，在＂一到九＂九个数字中，最受宠的首推九。中国古代以九为最大的阳数。《素问·三部九侯论》说：＂天地之至数，始于一，终于九。＂凡是高、大、众、多的事物，总喜欢用九来描述。请看：天之巅为九重、九霄；地之冥曰九地；纵横万千的江河... In the history of our country, “Nine” was the most favored devaluation of nine in the “one to nine” figures in ancient China. In ancient China, nine were the largest number of yangs. “Su asked three nine Hou theory,” said: “heaven and earth to a few, began in one, and finally nine.” Those who are tall, big, public, and many things, always like to use nine to describe. Please see: The top of the sky is nine heavy, nine Xiao; ground Ming said Nine; vertical and horizontal rivers ...