现在的通常作法是按比例缩小的桥梁模型放在风洞里检测它们的空气动力抵抗力。
It is now common practice to test scale models of Bridges in wind tunnels for aerodynamic resistance.
从模型的仿真结果我们可以预计到，随着劳动力市场中高学历工人比例的逐渐提高，高学历工人和低学历工人的失业率均有提高的趋势。
From the simulation result of model, we may prognosticate that the unemployment rates of two types of workers also increase as the ratio of workers with higher degree certificate increases.
根据海底天然气渗漏系统沉淀水合物的动力学模型，计算了海底渗漏系统中渗漏天然气沉淀为水合物的比例。
By using the kinetic model of hydrate precipitated in gas vent system, the fraction of venting gas precipitated hydrate was calculated.
根据海底天然气渗漏系统沉淀水合物的动力学模型，计算了海底渗漏系统中渗漏天然气沉淀为水合物的比例。
By using the kinetic model of hydrate precipitated in gas vent system, the fraction of venting gas precipitated hydrate was calculated.
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