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。
On the basis of these results, mathematical models were designed for human skin temperature, rectal temperature and amount of sweat under the combined stress of high temperature, vibration and noise.
在此基础上，我们建立了高温、振动、噪声复合应激时人体皮肤温度、直肠温度和出汗量的数学模型。
Based on the actual steel grade of production, the flow stress is measured under rolling condition, and the mathematical models are obtained.
以现场的钢种为样本，测定热轧条件下的流动应力，建立流动应力模型。
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