In the paper, it provides the geometrical solution to extreme value of many variables function by geometric properties of objective function or constraint condition.
本文中，利用目标函数或约束条件的几何性质，提供了某些多元函数极值或最值问题的几何解法。
The optimal(or minimum)condition is discussed with the help of LSPP theory, and a geometrical explanation is given.
文中还应用这一方法讨论了最小条件（判别准则），并给出了几何解释。
In this paper, the first order approximation theory of dynamic logging is obtained by using the geometrical factor theory in downhole condition and RC network theory.
本文用井条件下的几何因子理论和RC网络的单位脉冲响应给出了动态测井的一阶正演理论。
The main research about its is geometrical relation's deducible method and condition between line units of which graphics unit consists.
重点研究了构成图元的线元间几何关系特征的判定方法与判定条件。
An ideal boundary, which stands for the limit condition of real feature under meeting design demands, can be formed by suitable dimensional and geometrical tolerances.
理想边界是由尺寸公差和形位公差综合形成的，它代表实际要素在满足设计要求条件下的极限状态。
It is found that the variation of planforms and geometrical parameters can effect only the drag reduction but little to the low lift in low angle of attack condition.
发现单纯改变涡襟翼的形式和参数能提高减阻效果，但不能改变小迎角下升力过小的现象。
The design parameter of the work condition and the geometrical parameter of the design of the pump are confirmed. Chapter 4 is the model experiment.
第三部分为泥浆泵水力模型设计，确定了工况设计参数和泵的设计几何参数；
The design parameter of the work condition and the geometrical parameter of the design of the pump are confirmed. Chapter 4 is the model experiment.
第三部分为泥浆泵水力模型设计，确定了工况设计参数和泵的设计几何参数；
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