Second autocatalytic

In particular, the time-like extremal surfaces can aptly illustrate the motion of relativistic strings in the Minkowski space R~(1+n), rendering it necessary for us to investigate the inherent nature and behavior of these surfaces.

特别是类时极值曲面能够很好地刻画一条弦在闵可夫斯基空间中的运动，这就更使我们有必要研究这类曲面的内在属性及其外在表现。

Binary implicit function Extreme Problems;

二元隐函数极值存在问题

Extreme Statistics on the Application of Catastrophe Insurance;

极值统计在巨灾保险中的应用

The rock bit diameter is calculated through determination of the extreme values with the calculation formula presented.

采用求极值来计算才轮钻头的直径，给出了牙轮钻头直径的计算公式，并分别对有移轴及无移轴牙轮钻头直径的计算进行了分析。

Some methods of deciding the extreme values for the monadic functions and two-place functions were applied to decide the extreme values for the multivariate functions and then some effective methods of deciding the extreme values for the multivariate functions were presented.

将一元函数和二元函数极值的部分判别方法推广到多元函数极值的判别,提出了判定多元函数极值的几个方法。

The extreme conditions for the monovariate functions were applied to the multivariate functions and then an effective method to decide the extreme values for the multivariate functions was presented.

将一元函数取极值的一阶充分条件推广到多元,提供了判定多元函数极值的1个有效方法。

Estimation of chaos system parameters by using extremum point;

基于极值点的混沌系统参数估计方法及应用

Calculation on transmission ratio extremum of grab operating mechanism based on Matlab;

基于Matlab的挖掘机工作装置传动比极值的计算

A Generalization and Application of The Second Sufficient Condition of Judging Extremum;

极值第二充分条件的推广及应用