查询词典 algebraic equation

By use of dynamic wave equation,the general slope flow equation is derived by matrix theory.

采用运动波方程，用矩阵理论推导出坡面流的一般方程，结合森林生态系统的功能，分析了坡面流的局部损失和总阻力，为研究森林控制非点源污染输移提供了理论依据。

Based on the analytical solution of heat conduction equation, an equation of temperature wave of the type of Fourier series was derived to predict the response of temperature at variable depths to ground surface condition.

通过热传导方程对土壤中的传热过程进行分析，得到傅立叶级数表示的温度波方程，用于预测不同深度土壤响应地表条件而产生的温度变化。

For the low-frequency waves, a dispersion relation is derived from the set of continuity,momentum, and energy equation, together with Poisson equation.

其中受阻尼的静电尘埃回旋波是本文首次发现的。三支模的阻尼都是由尘粒和中性气体碰撞引起的。

Mainly, we deriver time-accurate wavelet-based schemes for convection equation ,furthermore, we use it for numerical solution of convection equation and make a comparison with exact solution and solution derived from WGM.

主要的，对于对流方程，推导出了时间精度高的基于正交小波基的小波泰勒伽略金格式，进一步用这个格式计算了对流方程的数值解，并和WGM格式得到的数值解以及精确解作了比较，从而验证了格式的正确性。

Here the deriver' self-equilibrium velocity denotes the deriver' desired equilibrium velocity accompanying that the traffic flow is in the equilibrium state. Consequently the adaptive flux model like Navier-stokes traffic equation is derived from the extended Paveri-Fontana equation. Characteristics and the linear stability are analyzed. Numerical solution of the macroscopic traffic equations verifies rationality of our model.

把适应性公式和约化Paveri-Fontana等式结合得到扩展的Paveri-Fontana方程，通过使用Chapman – Enskog方法导出类Naveri-Stokes 方程的适应性交通流模型；通过线性稳定性分析，得到了适应性交通流模型的稳定条件；通过对算例的数值分析与其它连续性模型和交通实测数据的对比，验证了我们模型的合理性。

In addition, we analyzed the factors influencing the number of sample of determining a reliable standard equation. The results provide theoretical and technical instruction of establishing reliable standard equation.

分析了确定一个有效的标准方程所需定标奶样数目与哪些因素有关，为在实际测量中，快速、准确建立标准方程提供了理论和技术指导。

Koza's evolutionary equation machine had to evolve the best equation capable of determining on which of the two intertwined spiral lines each of about 200 data points lay.

柯扎的发展性方程机器不得不演化出具有判定在两条缠绕的螺旋线上各自大约200个数据点的所在的能力的最佳程式。

Accroding to the self-consistency,the same eigenvalue equation as the one directly deduced from the Helmholtz equation determining WGM is obtained.

基于自洽场要求，得到了同直接求解描述WGM问题的Helmholtz方程一样的本征值方程。

A larger error often occurs in measured results by multi-specimen J-R curve method because of the difficulty in determining the blunting line equation. On the basis of considering the effect of loading rate on plastic-flow stress, a new blunting line equation in dynamic loading has been obtained: J=2NK0.5(subscript εFΔa.

针对多试样J-R阻力曲线法因钝化线的不易确定性常造成测试结果J误差较大的情况，考虑了加载速率对塑性流变应力的影响，给出了一新的动载条件下的钝化线方程：J=2NK0.5

We present the fundamental theories of Noether symmetries and conserved quantities of mechanco-electrical dynamical systems, including variation principle of the system, Noether symmetry transformation, Noether quasi-symmetry transformation, generalized Noether quasi-symmetry transformation, Killing equations, Noether theorem, the form of conserved quantity. And then the basic theory of Lie symmetry is advanced, including the determining equation, structure equation and the form of conserved quantity.

给出机电动力系统的Noether对称性和守恒量基本理论，包括系统的变分原理、Noether对称性变换、Noether准对称性变换、广义Noether准对称性变换、Killing方程、Noether定理和守恒量的形式；给出机电动力系统Lie对称性的基本理论，包括确定方程、结构方程以及守恒量的形式。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48