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浙江山会平原(山阴、会稽二县的平原),古时的范围包括从会稽山北麓直到杭州湾沿岸的冲积平原,平均海拔约7米左右。按现在的行政区划,它与曹娥江以西属于上虞县的平原和萧山县东南平原连成一片,是同一水系,总面积超过1000平方公里,土地平整,河湖密布,灌溉便利,是一片旱涝保收、稳产高产的肥美良田。在古代,这里是一片沼泽地。东汉永和五年(公元140年),会稽郡守马臻以会稽郡城(今绍兴)为中心,筑堤蓄
Zhejiang Mountain Plain (Shanyin, Huiji two counties of the plains), the ancient range from Huiji Mountain up to the alluvial plain along the coast of Hangzhou Bay, the average elevation of about 7 meters. According to the current administrative divisions, it is connected with the plain of Cao River and the southeast plain of Xiaoshan County in the west of Cao’e River. It is the same water system with a total area of more than 1,000 square kilometers. The land is flat, rivers and lakes are close, and irrigation is convenient. High yield of fertile farmland. In ancient times, it was a swamp. Yonghan five years of the Eastern Han Dynasty (AD 140), Huiji County Shou Ma Zhen to Huiji County (now Shaoxing) as the center, embankment