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We find that the behaviors of charge density wave parameter and spin density wave parameter of nonperiodic Hubbard model are similar with behaviors in periodic Hubard model, and the distribution of.

本文对一维非周期的赫伯德模型和非周期的横场中量子伊辛链的量子相变和量子纠缠以及保真度进行了系统的研究。

Google Wave Notifier is new Free tool for your Windows PC which alerts you whenever you receive a new Wave.

谷歌波通知是新的免费工具为您的Windows PC的通知您，每当您收到新波。

Then we get atwo-dimensional wave equation. By numerical simulation of the wave equation using

再利用差分方法对这个波动方程进行数值模拟，得到史瓦西小黑洞的电磁场拟正则模，并对其特性及相应的物理意义进行了深入的分析和研究。

About problem of computer screen electromagnetic wave, although computer screen place is given off electromagnetic wave is very faint, but still have a few potential effects to oosperm.

关于电脑屏幕电磁波问题，虽然电脑屏幕所放出的电磁波很微弱，但是对于受精卵仍有一些潜在的影响。

In oosperm firm germinate when, the duplicate process drag in that wait goes to cell, gene, protein voltaic flow, there already was a report to show at present in medical literature, minim electromagnetic wave can change calcic ion to carry the rate of cellular film really, send the initial stage of Yo in embryo so, expose may cause abnormal segmentation in electromagnetic wave, produce the phenomenon of duplicate mistake even.

在受精卵刚开始发育的时候，细胞、基因、蛋白质等的复制过程牵涉到电流的流动，医学文献中目前已有报道显示，微量电磁波确实会改变钙离子通过细胞膜的速率，所以在胚胎发育的初期，暴露于电磁波中可能会引起不正常的细胞分裂，甚至产生复制错误的现象。

Firstly, in the frequency domain, differentiatial operator is decomposed into magnitude and phase operator, and the fractional order expressions of periodical signals, such as sine wave, cosine wave and complex exponent signal, are deduced.

首先，在频域中将微分算子分解为幅度算子和相们算子，导出正弦、余弦和复指数信号的分数阶微分表达式；然后考察矩形、三角形、梯形等常用周期信号的分数阶微分。

Shallow water wave systems; Painleve property; solitary wave; classification; Backlund transformation; Hamilton structure; conservation laws; orbital stability; linear stability; tsunamis models

浅水波系统； Painleve性质；孤立波； Backlund变换；分类； Hamilton结构；守恒量；轨道稳定性；线性稳定性；海啸模型

Analysis and comparison of the model results show that the introducing of gravity wave drag to the model can improve the model performance to some extent and result in more realistic simulation, and the effect of envelope orography on regional climate simulation is less significant than that of gravity wave drag.

通过试验结果的对比分析发现，在模式中引入地形重力波拖曳作用可在一定程度上改善模式对气候系统和要素的模拟效果，使模拟结果更符合气候实况。包络地形对模拟结果也有一定的改善，但对于细网格的区域气候模式来说，其效果不如重力波拖曳明显。

Based on Kogelnik's one-dimensional coupled-wave theory and dispersed Fourier transform, the diffractive characteristic of two pieces of volume phase gratings, which are cascaded and having orthogonal grating vectors for the continuous-wave laser beam, is analyzed.

利用Kogelnik一维耦合波理论，以及离散傅里叶变换，分析光栅矢量相互正交，且串联级联放置的两透射型体相位光栅对空域任意分布的连续激光光束的衍射特性；讨论其对入射光束的空间低通滤波性能，并具体模拟其对畸变高斯光束空间低通滤波的效果。

This method decomposes wave-front phase to a linear combination of orthonormal basis functions, According to the covariance of weight coefficient, a random wave-front phase is realized.

协方差冲激函数产生法对连续波前相位进行冲激函数正交分解，根据正交分解系数的协方差模拟平行光通过大气后的瞬时波前相位。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。