1·In traditional ways, the optimal air coal ratio is obtained by solving combustion function and finding out the extremum, which is time consuming and unreliable.
传统风煤比寻优通常采用求解燃烧函数解析式，再求极值得出最佳风煤比，这一方法可靠性差而且工作量大。
2·It has revealed the relations of every extremum principle each other in certain extent.
这在一定程度上揭示了各极值原理间的相互关系。
3·By the alternative theorem, the optimality conditions of vector extremum problems with generalized inequality constraint are established in linear space.
运用此定理，在线性空间中建立了带广义不等式约束的向量极值问题的最优性条件。
4·On the basis of traditional fairing algorithm, the curvature extremum of curve is used as one of the indices judging the curve fairing.
在传统光顺算法的基础上，提出了以曲线曲率极值的均方差作为衡量曲线光顺的指标之一。
5·The note gives an extension of extremum principle for harmonic functions.
本文给出调和函数极值原理的一种推广。