Through tests and analyse, the optimum technology parameter in strengthening steel ball, together with the proper process technology, was determined. Various performance indexes were also improved.
通过试验分析确定最佳钢球强化工艺参数及合理的加工工艺，提高钢球各项性能。
It is introduced that the application of optimum process theory to flight trajectory optimization. In this paper, it has studied the method of dealing with changing parameter.
主要介绍了应用最优过程理论计算飞机最优飞行轨迹的数学模型和计算方法。
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