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1平方公里=100公頃 1公頃=15畝 故1平方公里=1500畝
各地不一樣,東北地區15市畝西北地方3-5畝
1頃=100畝(這是我國採用的一種單位制) 1公頃=15畝(這是與國際接軌的,1公頃=10000平方米)
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