建材买卖中，售沙人常将沙堆成拟柱体。
While in doing building materials business, the sellers often pile sand up with quasi-prism.
本文在此基础上提出了改正平均分割法和拟柱体法两种改进方法。
The paper gives correction mean partition method and quasi-column method in such base.
本文在此基础上提出了改正平均分割法和拟柱体法两种改进方法。
The paper gives correction mean partition method and quasi-column method in such base.
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