解析的

Standard of will basic electrovalency of simple and easy equivalent makes analytic expression, considered 2 times to supply the parameter quote of function among them.

将基本的简易当量电价法作解析表达，其中考虑了二次供应函数的参数报价。

Invest risk theory through introducing Markowitz, reached the analytic solution of this problem, and in order to calculate an analysis electrovalency forecasts a risk the influence of report of best to two markets carry out.

通过引入Markowitz投资风险理论，得出了该问题的解析解，并以算例分析了电价预测风险对两市场最优售电的影响。

By using some elementary matrix transformations,an analytical general solution of the second-order Sylvester matrix equation is obtained in an iterative form.

通过矩阵初等变换，给出了该矩阵方程的迭代形式的解析通解。

An exact solution of the scattering by a chiral elliptic cylinder is obtained in terms of Mathieu function and modified Mathieu functions by means of vector wave functions.

对旋波媒质的电磁特性进行分析，基于边界值问题，借助于矢量波函数，首次给出了旋波媒质椭圆柱电磁散射问题的解析形式解。

Extended elliptic function expansion method is applied to construct the explicit exact solutions of the Zakharov Equation.

将改进的Jacobi椭圆函数展开法应用到Zakharov方程，比较方便地得到新的解析周期解(包含冲击波解、孤波解和双曲函数解)。这种方法也适用于其他非线性方程或方程组

The crystal structures of them show the photochromism is due to the photoisomerization only from enol form to keto form. According to the results of structure analyses, the intermolecular proton transfer mechanism is proposed for photochromism. We also observed their acidichromism in solution.

采用单晶XRD法得到了这五种化合物的结构，根据结构解析，推测四种光致变色化合物的变色机理可能是分子间质子转移，即吡唑啉酮由烯醇式结构变为酮式结构。

Then with some special parameters selected, the equation of motion in the phase plane is obtained.

为了更深入研究系统的运动规律，寻找某些特殊参数以得到系统在相平面内运动方程的解析表达式。

Based on the dynamics theory, calculate the motion equation of the ball on the plate.

最后根据动力学原理和小球在板上的受力及运动情况，解析出小球在板上的运动方程。

In the aspect of hierarchical fuzzy systems, their classification, universal approximation, equivalency, analytical expressions and performance are studied.

对分层模糊系统的分类、通用逼近性、等效性、解析分析和性能分析进行了系统的研究。

Source assessments for six receptor sites indicated that ethene chemistry industries and motored vehichles were the most important sources of NMHCs in the city, and non-point sources are difficult to control.

通过对6个受体点的源解析，结果表明乙烯化工工业点源和流动源为该地区NMHCs人为源的控制重点，面源是控制难点。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。