在线词典

In ancient China, the National Unity sometimes, and sometimes separatist, the Chinese meaning of the word in different times different, generally refers to a unified national strategy, the split means more when the Central Plains. With the territory of the emperor rule changes, the Chinese word, including its coverage varies accordingly. "China" in the name of King Wu of Zhou period of the Western Zhou Dynasty agreed to "central country." Passed in 3000, the Duke of the Yangcheng (today Henan Dengfeng) with Tugui measure the shadow of the sun, measured Next day noontime, Bachimen's table in the surrounding landscape are not the shadow of the sun, we think this is the center of the earth, so that goes to China.