通过计算证明，涂料在圆锥形模具中流动时，能够在模具内产生一定的压力梯度。
The results of calculation prove that the flow of coating in conical shaped die can create pressure gradient of coating in die.
通过计算证明引起断裂的根本原因是动应力超过了梁的许用疲劳极限，另一原因是梁的结构不合理。
The primary cause of breakage is that the dynamic stress exceeded the allowable fatigue limit of the beam, and another cause is that the structure of the beam is unreasonable.
最后，用直接方法求出问题的综合最优解，并通过计算证明，对于不同的工程目标和具体要求，综合最优解可以有不同的取值。
Finally, the comprehensive optimum was solved with direct method, and proved it could have different numerical value to different engineering objective and detailed demands.
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