weight-volume relationship 重量体积关系 base of relationship to the cost of unit 以成本与产品间的关系为基础 ..
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根据待装货物体积、重量与货车容积、载重的相对关系，将货物分为两类。
In one truck-loading problem, the bulk cargo is classified as two types according to the relative relation of the volume and weight between the goods and the truck.
最大限度地减少总重量和总体积，这对于某些系统来说，是关系到能否实用，实际上也就是能否存在下去的重要问题。
The utmost reduction in overall weight and volume is essential to the usefulness and, in fact, existence of certain types of systems.
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