The general event horizon formula of black hole is given from null hypersurface equation.

从零曲面方程出发,导出了黑洞视界面普遍公式.

Observational studyaims at the approach to a dynamic system whose equation is undeterminable.

该方程组解在有限时段上采样值与给定序列重合。

The solution can be expressed by a mathematical equation.

答案可用一个数学方程式来表示。

Formula one cars are the most powerful.

一级方程式赛车马力最大。

Function Grapher 2D Edition can be used to make 2D equation graphs.

grapher维版可以用来制造维方程图。

In the "Acta" of 1691 James Bernoulli derived the equation for the tractrix.

在1691年《学报》中詹姆士?伯努利推导出跟踪曲线方程。

The kinetics of deep oxidation of butene-2 and butadiene obeyed the empirical rate equation.

丁烯-2及丁烯深度氧化动力学服从经验速度方程。

Abstract : In this paper, we study the chromatic and dichromatic sum functions of rooted general maps on the plane.The chromatic and dichromatic sum function equa- tions of such maps are obtained.

摘要 ： 本文研究了平面上一般带根地图色和与双色和,得到了这类地图色和与双色和函数方程。

The horizontal nonhomogeneity of the background wind and pressure fields influences the term of the inertial force in the motion equation and the wind speed at the upper boundary of the PBL.

背景风压场水平非均匀影响了边界层运动方程中惯性力项及边界层上界风速。

It Is necessary to include as a heat source In the thermodynamic energy equation at erm which represems the timerate of release of the latent heat of condensation of water vapor.

有必要把代表水汽凝结潜热随时间变化率一项作为热源项包括在热力学量方程中。

Abstract With the concavity and integrability of sublinear terms near zero,the symmetry results for a class of sublinear elliptic equations are given by making use of the moving-plane method.

摘 要 本文利用次线性项在零点附近凹性和可积性，用移动平面法给出了一类次线性椭圆方程正解对称性.

In the CGSM, shear modulus and damping ratio of the soil are functions of depth and shear strain, wave equation for the transmission of shear wave is obtained.

在连续梯度土介质模型中，剪切模量和阻尼比是位置深度和剪应变函数，导出剪切波在土体中传播波动方程。

With the concavity and integrability of sublinear terms near zero,the symmetry results for a class of sublinear elliptic equations are given by making use of the moving-plane method.

本文利用次线性项在零点附近凹性和可积性，用移动平面法给出了一类次线性椭圆方程正解对称性.

Based on the experiment it is validated that the system load would impact the inhibitable equation, that is, the certain load would make a corresponding proper allocation proportion.

通过实验进一步验证了制约方程受系统负载影响，即确定负载可以对应最佳分配比例，按照该比例分配信道够得到最大系统容量。

The number of pass points used in a stereopair is not confined to six, it may be fourteen, or even more, but the normal equations are only five.

象对中点数不限于六个,可增多到十四个或更多,但仍仅只有五个法方程式。

The condensability of liquid,the Westphal's effect and the continuous flow condition are not only comprehensively considered,but also the dynamic property of the ball valve being established.

结合现场试验,根据直线电机采油泵运动特性,综合考虑了液体可压缩性、魏氏效应、液体连续流动条件和球阀动力特性,建立了直线电机采油泵球阀运动规律精确运动微分方程组。

Approximate rollability for the semilinear heat equation is got by this way that linearing the system by variational approach and constructing functional and using dual equation.

通过对系统进行线性化，构造泛函，利用对偶方程给出控制函数具体形式，从而得到系统相应控性。

The one dimensional continuity equations of n-on-p planar PN junction are solved at different boundary conditions. Generalized solutions of photocarrier concentration are given in this paper.

摘要对一维情况下平面PN结连续性方程进行了求解，给出了不同边界条件下光生载流子浓度一般形式解，并对结果进行了分析讨论。

Set up a curvilineal equation of acid-base titration,and every pHysics meanings in the equation and factors of the effect its titrate suddenly jump range were discussed.

建立了酸碱滴定滴定曲线方程,并讨论了方程中各项物理意义及影响滴定突跃范围因素。

According to the nature of two-dimensional biharmonic equations,this paper obtains a polynomial solution of the biharmonic equation for stress function by means of the MATHEMATICA software.

根据维双调和方程特点并借助于MATHEMATICA软件,得到了应力函数双调和方程多项式解答。