查询词典 simple equation

The main work of this paper is: First,we get the condition that the equation 2py~2 = 2x~3 + 3x~2 + x have no positive solution by the method of simple congruence and decomposition.

利用简单同余法、分解因子法等初等方法，给出了方程2py~2=2x~3+3x~2+x无正整数解的条件。

In this paper, the analytical solution of Smoluchowski equation, of which diffusive term is constant and drift term harmonic oscillator potential (including the well and the barrier potentials), is derived from a simple Gaussian distribution in a easy and wizard method.

当扩散项为常数、漂移项为一维谐振子势(包括谐振子势阱和谐振子位垒)的情况下，得到Smoluchowski方程的解析表达式。

Based on theory of simple harmonic oscillation in physics,this paper presents a novel model for production decline prediction given by deformation of critical damping oscillation equation which is predigest.

基于物理学中的简谐振动原理，提出了把阻尼振动方程中的临界阻尼振动方程变形得到一种新的产量递减模型，可简化为Arps指数递减形式，经实例计算，可以用来预测油田产量，以此指导油田开发和管理。

Based on theory of simple harmonic oscillation in physics, this paper presents a novel model for production decline prediction given by deformation of critical damping oscillation equation which is predigested to Arps exponential decline form.

基于物理学中的简谐振动原理，提出了把阻尼振动方程中的临界阻尼振动方程变形得到一种新的产量递减模型，可简化为Arps指数递减形式，经实例计算，可以用来预测油田产量，以此指导油田开发和管理。

A simple cubic equation is deduced to describe the length of hidden messages with relatively high robust and precision.

该文还给出了具体的检测步骤和相关的理论推导。

According to the connective equation of normal distribution function of these parameters, the paper proposes a simple and practical method for the reliability design of involute cylindric gear transmission, and derives a design formula and a proofread formula.

根据这些参数的正态分布函数的联接方程，提出了渐开线圆柱齿轮传动可靠性设计的一种简单适用的方法，并推导出了设计公式和校核公式。

The interactions between the electron beam and the metal materials were theoretically considered and discussed on the basis of simple calculation with one dimensional thermal transfer equation.

基于一维热传导方程对材料表面的冷却速率进行了估算，对电子束与金属材料的作用过程进行了理论分析。

The algorithm is simple and it is not necessary to solve the Diophantine equation and the inverse matri x so that the on-line amounts of computation are reduced greatly.

该算法简单，不必求解Diophantine方程和逆矩阵，大大减小了在线计算量。

This paper de-duces the equation of scroll case surface with the enveloping theory,builds the envelope sur-face of ellipsoides with variable radius by using the the method of constructing an ellipse withseveral arcs and presents a new and simple method fOr geometry moulding of scroll case sur-face.

蜗壳是水电站的重要部件之一，本文以包络理论推导了蜗壳曲面方程；并采用分段圆弧构造椭圆的方法构造了变径椭球包络曲面，为蜗壳曲面的几何造型提出了一种新的简便方法。

In the absence of atmospheric drag, the equation of motion that governs the trajectory of a rocket is relatively simple.

在没有大气阻力，运动方程，执政的轨迹，火箭是相对简单的。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。