The numerical experiment results show that the mean forecast relative error is 1.73% even with a simple strategies library.
数值实验显示，虽然策略库比较简单，但其预测的平均相对误差仅为1.73%。
The scale of experiment model is 1 to 2.5. Model experimental results show that numerical simulation is very effective for forecast of resistance characteristics of Marine exhaust mufflers.
按照所确定的结构制作了几何比为1：2 . 5的实验模型，模型实验结果表明，本文的数值模拟方案具有令人满意的精度，对于船用排气消声器阻力特性预估是非常有效的。
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