They hope to reduce both the number of components needed in a construction job and their weight—by replacing solid supports with hollow tubes, for example.

他们希望减少建筑工作所需的部件数量和重量，例如，用空心管代替实心支架。

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Civil engineers build mathematical models of Bridges and other structures to calculate how much weight and stress they can bear before committing to an expensive construction phase.

土木工程师建造桥梁和其他结构的数学模型，从而在进入昂贵的实际建设阶段之前计算出所设计的结构能够承受多大的重量和压力。

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A book may have weight, price, and construction materials as well as information content.

图书可能具有重量、价格和制作材料以及信息内容等属性。

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And its plastic and fiberglass construction would weight little.

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As in the prior generation, the Jaguar XJ offers a choice of naturally aspirated and supercharged V8 engines and makes extensive use of aluminum construction as a weight-saving measure.

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The similarity in construction affects more than curb weight (3, 000 pounds for the Cayman S) or torsional rigidity (up 40%).

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