当你带孩子去其他类型的商店时，解释如何事先计划所买的东西和如何做单价比较。
When you take children to other kinds of stores, explain how to plan purchases in advance and make unit-price comparisons.
工程量合同：单价合同的一种类型，带有在咨询工程师或建筑师的计划的基础上计算出来的详细量单。
Bill of quantities contract: a type of unit price contract, with a detailed Bill of quantities calculated on the Basis of the plans of the consultant engineer or architect.
将一组物料按年度金额（单价乘以计划量）或其它标准降序排列一种分类方法。
The group of items are placed in the decreasing order of annual dollar volume (price multiplied by projected volume) or some other criteria.
将一组物料按年度金额（单价乘以计划量）或其它标准降序排列一种分类方法。
The group of items are placed in the decreasing order of annual dollar volume (price multiplied by projected volume) or some other criteria.
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