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中华民族是个古老的农耕民族,自古以来积累了丰富的关于水的历史认识。《管子·度地》中有云:“五害之属,水最为大。”一、对水系的认识在距今3500年前的商代甲骨文中就有河川及水利活动的记录。西周至春秋时期的《诗经》,已记载全国大小河流20多条,其主要是黄河、长江、淮河三大水系及其支流。《禹贡》记载了黄河、长江、淮河、渭河、汉水、沇水、黑水、弱水、洛水等9条河流的源头、流向、流经地区、所纳支流、河口等。桑钦的《水经》记载了137条河
The Chinese nation is an ancient farming nation and has accumulated rich historical knowledge of water since ancient times. “Pipe degree” there is a cloud: “Five is the genus, the water is the largest. ” First, the understanding of the water system in the Shang Dynasty Oracle Oracle 3500 years ago there is a record of river and water conservancy activities. The Book of Songs from the Western Zhou Dynasty to the Spring and Autumn Period has recorded more than 20 rivers and streams all over the country. The three main river systems and their tributaries are the Yellow River, the Yangtze River and the Huaihe River. “Yugong” records the source, flow direction, flow area, tributaries, estuaries etc. of the 9 rivers including the Yellow River, the Yangtze River, the Huaihe River, the Wei River, the Han River, the Huang River, the Black River, the Weak Water and the Luo River. Sang Qin’s “water by” recorded 137 rivers