定义了最优控制问题的最优性函数，并证明了最优性必要条件与最优性函数的零点等价的结论。
Two optimality functions for above optimal control models arc introduced, and the cquiva-lence between the optimality function and the one-order necessary optimality condition is concluded.
提出了一种基于信息效能函数的传感器管理最优决策模型，分析了以预测误差协方差为分配效能的分配算法的最优性。
An optimal decision model of sensor management based on information efficacy function is proposed. The optimality of the allocation algorithm based on predicting covariance is analyzed.
当目标函数是塑性极限弯矩凸函数时，证明了这一最优性条件也是最优解的充分条件。
It is proved that the optimality conditions are also sufficient if the objective function is a convex function of the plastic limit bending moment.
基于模糊判决原理，兼顾模糊目标和模糊约束的最优性隶属程度，构造判决函数；
Based on the fuzzy decision prin-cipsel, the optimal membership degrees of the fuzzy objectives and constraints are considered, and then the decision function is constructed.
基于模糊判决原理，兼顾模糊目标和模糊约束的最优性隶属程度，构造判决函数；
Based on the fuzzy decision prin-cipsel, the optimal membership degrees of the fuzzy objectives and constraints are considered, and then the decision function is constructed.
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