描述理想

Furthermore, M2M communication system is totally different from modern cellule systems, the exist channel model could not be used to describe the propagation properties of the M2M fading channels, meanwhile, there are not sufficient research results could be used to explain the space-time-frequency characteristics of M2M channels.

利用这些信息，通信系统才能设计得具有理想或接近理想的性能。M2M通信信道不同于经典的蜂窝网络信道，目前已有的许多信道模型不能运用于M2M通信系统，也没有已知的信道模型可以直接用来描述M2M信道的衰落和空-时-频域行为。

First,its characteristic of Gamma distribution can follow the bit rate of a VBR video source better.

该模型的Gamma分布特性能较好地描述VBR业务比特流的分布，由自相关函数决定的模型系数更充分地描述了自相关函数的行为，利用三态马尔科夫链的两个补充过程可以较理想地描述场景切换下的视频业务模型。

Chapter 2、When treat propagate problem of high power laser beams, ordinary assume beam to be ideal plane wave or Gaussian. Actually, beams is not ideal Gaussian or plane wave. The reason is that is phase aberraed and intensity nonuniform. In this chapter, we have developed a method on frequency conversion of aberrated beam. Based on statistical optics method and within the limits of thin crystal, we have studies on second harmonic generation of the phase aberrted beam. And the phase aberration is assumed to be a Gaussian random variable.

第二部分：在处理高功率光束传输问题中，通常假设光束为理想平面波或高斯型，而实际光束都不可能是理想的高斯光束或平面波，均会有一定的位相畸变及光强不均匀，本部分从统计光学的观点出发，在薄晶体近似下，建立了具有高斯型随机相位畸变光束倍频转换的一种统计描述方法，并对倍频转换光束的横向空间特性进行了分析。

Research results show that the latter is more suitable to describe the artificial boundary accuracy of near-field wave motion decoupling numerical simulation, and the former can be used to estimate the upper limit of artificial boundary error.

研究结果表明：理想暂态情形下的反射系数，更适合描述近场波动解耦数值模拟中的人工边界精度；而理想稳态情形下的反射系数可用于估计人工边界误差的上限。

Longitudinal magnification describes the longitudinal conjugated property of ideal optical system ,on mathematic form,it is the slope of the imaging curve.

纵向放大率描述理想光具组的纵向共轭性质，在数学形式上是物象曲线的斜率，从纵向放大率的定义出发，结合物像曲线，分析了理想光具组的纵向共轭规律，并举例说明其实际应用。

The mapping between performance knowledge unit and mechatronical product structural is set up.According to the perfect mapping relationship,superfluous mapping relationship and coupling mapping relationship,the solution of mechatronical product design problem is proposed.

在机电产品性能知识语义描述的基础上，扩展出机电产品性能需求集的语义描述方法，建立结构性能知识单元与机电产品实例结构的映射关系，分别根据理想、冗余和耦合映射关系，提出机电产品结构设计的求解方法。

A regular solution theory is used to account for the non_ideality of the solid mixture,and an equat...

根据正规溶液理论描述固相混合物的非理想性，采用状态方程描述气相和液相的相态。

A regular solution theory is used to account for the non-ideality of the solid mixture,and an equation of state describes both gas and liquid phase behavior.

根据正规溶液理论描述固相混合物的非理想性，采用状态方程描述气相和液相的相态。

The foregoing description is that of the ideal Giant Schnauzer.

前面描述的是一个理想的巨型雪纳瑞，任何与前面的描述相违背的地方都是缺陷，并要根据违背的程度扣分。裁判将开除任何对胆怯的狗和凶恶的狗。

It is the purpose to describe the conformational properties of both ideal and real polymer chains.

它是目的描述理想而真正聚合体链的构形财产。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。