定义方程

The essay is about the teaching research into the relations between the definition geometrize nature and circular cone , in which the teaching research of definition mainly uncovers the nature of circular cone;geometry nature about how to lead the students to understand the geometry nature of circular cone with equations in the thought of figures and shape.

其中定义的教学探究主要是揭示圆锥曲线的本质特征，几何性质的教学探究主要引导学生从方程的角度，用数形结合的思想去理解圆锥曲线的几何性质。

In the "Kinetics" hand-out (see there the meanings of variables), the Debye-Hückel equation is defined as

在"动力学"讲义提纲中， Debye-Hückel方程被定义为

According to the definition of hyperbolic sine, flow stress constitutive equations of T122 and T91 steels had been developed.

根据双曲线正弦函数的定义，建立了T122钢和T91钢热变形条件下流变应力双曲线本构方程的显式表达式。

This paper refers to the definition of ideal gas and proves the equation of state from the view of kinetic theory, thermodynamics and statistical physics.

摘要给出理想气体的严格定义，并从分子运动论、热力学和统计物理等方面给出理想气体状态方程不同的证明方法。

Identifiability analysis of linear time-delay system is one of research subjects in process control.

线性时滞系统的辨识性分析是过程控制理论的研究课题之一，通过对系统差分方程的讨论，在4个定义的基础上推出了2个定理，进而证明了可辨识性。

The necessary and sufficient conditions under which the form invariance is a Lie symmetry is presented.

建立了系统的运动微分方程，给出了系统在特殊无限小变换下的形式不变性的定义和判据以及系统的形式不变性是Lie对称性的充分必要条件。

The definition of the large range output regulation using the state feedback for the nonlinear system is given, and then the problem is discussed using the invariant manifold theory of the ordinary differential equation.

定义了非线性系统的状态反馈大范围输出调节，应用常微分方程的不变流形理论，给出了非线性系统状态反馈大范围输出调节问题可解的充要条件。

F irst of all from global viewpoint we define a kind of nonlinear control systems on Riemannian manifold , and give the representation of state equation for the nonlinear systems under a local coordinate system of Riemannian manifold

首先从整体化的观点定义了一种建立在黎曼流形上的非线性控制系统，给出了系统的状态方程在黎曼流形的局部坐标系下的表达式

This paper introduces the Taylor formula of one dollar and multi-definition, then the proof of the value from the formula, respectively, that inequality in the value of derivatives is estimated that about industry estimates, demand infinity limit, the median point of the limit function limits, approximation, function equations and so on Taylor formula to do the induction.

本文首先介绍了一元和多元泰勒公式的定义，然后分别从证明中值公式，证明不等式，导数的中值估计，关于界的估计，求无穷远处的极限，中值点的极限，函数的极限，近似计算，函数方程中的应用等方面对泰勒公式的应用做了归纳。

The potential transpiration, Etp, is calculated from Penman's combination equation in the form given by Monteith (1965): where Rn is net radiation available for transpiration i.e.

潜在蒸腾联合方程当既没有土壤水分不足也不存在过低的土壤温度影响水分流失时，将蒸腾作用定义为潜在蒸腾率。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。