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Some problem in development are discussed, and some new knowledge about development of low permeability sandstone reservoir are offered, and some

发中的某些问题，以期为该类油藏的合理开发提供参考。

The asymptotical properties of KdV equation and KP equation exhibit the soliton behavior when some conditions are satisfied, and in some cases the parameter matrices describing the interaction between two solutions is quite simple. Two kinds of solutions of the second coupled equations of AKNS hierarchy are provided and applied to NLS equation. A systemical way of construction of special solutions is also tried for DS equation. Most of the results on a scalar equation can often be directly generalized to some matrix equation, and the difference between the ω in scalar form and ω in matrix form lies only in the replacement of vector p, q by matrices p, q.

对KdV方程和KP方程渐近性质的讨论显现出解在一定条件下的孤子特性，从而使得一些情形下，同类解的相互作用体现在参数矩阵上变的较简单；我们给出了AKNS方程的两类不同解，并约化到NLS；对DS方程，我们从另一个方面初步探讨了形式化推导矩阵方程特解的方法；把这些有关标量ω的结果推广到ω为矩阵上往往只要把p，q变为矩阵即可，进而可以再推广到方程组上。

Embarked on the definition and research object of CEDZs, this article first made some introduction of the developing phases of the world's developing areas; then it dealt with the theoretical secundum, objective and strategic meaning of the developments of CEDZs. After that, it made some concise descriptions of the historical developments of CEDZs, focusing on analyzing and researching of the CEDZs'past experience and theories. It holds that CEDZs helps to push ahead with China's urbanization, industrialization, high-technology development, economic development, modernization, reform and open-gate policy process. At the same time, there are also some drawbacks existing.

本文从开发区的涵义和研究对象着手，首先介绍了世界开发区的演进与发展；然后就中国开发区建设的理论依据、目的及战略意义作了论述；随后再对中国开发区的历史发展作了简要描述后，重点对中国开发区的经验与理论作了分析和探索，认为开发区推动了我国城市化进程、工业化进程、高新技术发展进程、经济发展和现代化进程以及改革开放进程，同时开发区在发展过程中也存在一系列的误区。

Most of them have more or less paranoid psychological tendency, and it can give an explanation to some of their characteristics such as over hard working, highly self-sacrifice and self-complacence. Their behavior looks from outside like Performance Art, but in some sense it implies some unconsciously sorcery psychology.

民科作为一个在科学共同体之外从事所谓科学活动的特殊群体，并不等同于一般意义上的"业余科学爱好者"，其最大特征是不能与科学共同体进行正常的交流，并有其特殊的心理倾向。

The educational technology has the very intense practical orientation, but because this practical orientation is too powerful, it causes the researchers of educational technology can be unable to stop to think some basic theory questions, and be far away from asking educational technology some ultimate questions about educational technology. So it has caused that afer semicentennial developing educational technology still exit some questions such as confusing, the reality helpless, deficient theory, although it has obtained many encouraging performance, but it is unsuitable that educational technology is the commanding point of education reform and the breach status. Facing these conditions, educational technology needs carry on reviewing and looking up in historical and reality multiple field, needs integrate and conclude for obtained studying results, needs reflect on own level, and need to have the big breakthrough in the discipline elementary theory construction.

教育技术具有非常强的实践价值取向，但这种实践取向的过于强大往往使得教育技术的研究者们无法停下来思考本领域一些基本的理论问题，因此直接导致了教育技术学在经历了半个多世纪的学科建设历程之后，尽管取得了诸多可喜的成绩，但是依旧存在理论与实践研究的诸多问题，这对于面临新技术的发展和世界范围的教育改革浪潮而给予的教育技术作为教育改革的制高点和突破口的地位是极不相称的，教育技术学迫切需要在历史与现实的多重视野中进行回顾与前瞻，对已经获得研究成果进行综合和归纳，需要对学科自身进行深层次反思。

Jer. 13:23 Pictures on monuments show that they were a mixed race, some Negro, some Semite and some Caucasian.

碑上的图画显示他们是一种混合种族，一些黑人，一些闪族人和一些高加索人。

In chapter 1, the achievement on multiple-valued logic at home andabroad is introduced briefly. In chapter 2, some decisions for theminimal covering of the regular separable sets in partialmultiple-valued logic is studied under the condition of σ=e andm=2 . We reach some conclusions that certain regular separable setsmustn't be the minimal covering of Pk under some conditions.

第一章，简要介绍了国内外在多值逻辑方面的研究成果；第二章，对部分多值逻辑中，当σ=e时，二元正则可离函数集最小覆盖之判定作了研究，并得出了当σ=e时，一些满足一定条件的二元正则可离函数集不是Pk 之最小覆盖成员的结论。

And these have not only some theoretical significancy, but also some researchful value to explore Jefferson's democratic theory even more, as well as some referenced inspiration to the development of the democratic politics construction of contemporary china.

这不仅对于进一步探究杰斐逊民主思想具有一定的理论意义和研究价值，还为当代中国社会主义民主政治建设的发展提供了一定的可资借鉴的理论与启示。

There are three main methods in face localization: localization according to face outline, localization according to complexion and localization according to templates constructed by some standard sample images. As to feature extraction, it can be divided into two parts because face features can be divided into geometrical features and algebraic features. While extracting geometrical features, the features of eyes, nose, mouth, eyebrows can be gained by some image processes: binary, sharpen, smooth, projection, calculating gradient and so on. In order to extract algebraic features, we can do some mathematical transformation for the digital images such as singular value decomposition, K-L transformation.

在人脸检测部分，目前存在的方法有利用人脸的几何轮廓进行检测、利用人脸的肤色信息进行检测、构造标准人脸模板进行匹配检测等等；在人脸特征提取部分，可以用一些图像处理的方法如投影、二值化、求梯度图像等提取人脸中各特征器官如眼睛、鼻子、嘴巴等的几何特征，另外也可以借助于数学变换，求取人脸图像的一些代数特征，如对图像进行奇异值分解，以奇异值代表图象的特征，或对图像进行K-L变换，以图像在构造的特征空间上的投影系数作为图像的特征等；在识别部分，可以通过距离度量或相似度来判断输入图像与样本图像的匹配程度，还可以通过神经网络方法进行人脸的识别。

Those who do choose candidates for all kinds of reasons, some rational, some intuitive, some with certainty, others skeptically.

没有放弃的人们可能有各种各样的理由，有的很理性，有的却是依靠自己的直觉；有的很确定自己的选择，也有的迟疑不决。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。