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Objective: To present a good procedure to generate a three-dimensional finite element model of a mandible with dental implant inserted for biomechanics researches.

有限元分析研究的基础是建立适宜的有限元模型，理想的试验模型是准确计算和分析的基础，是有限元法使用的关键。

OBJECTIVE: To establish a three-dimensional finite element model of a mandibular molar with dental implant inserted in mandibular molar area using reverse engineering, and to provide mathematical model basis for biomechanics researches of stomatology.

目的：利用逆向工程快速建立含下颌磨牙种植义齿的颌骨三维有限元模型，为口腔生物力学的研究提供数学模型基础。

Using the Bayes's theory about a estimate,the article researches the problem of probability change points,then gives a concrete priori distribution and posterior distribution,as well as gives a judge to the existence of probability change points.

利用Bayes估计理论，研究概率变点问题，给出变点的一个具体先验分布和后验分布，并对变点的存在性作出判断。

Under the instruction of the above-described law, the thesis puts forward several new proposals for the practice of psychologys integration: establishing the unified instruction of materialist dialectics as a theoretical basis of methodology in psychology, in which the concrete positive and humanistic researching means can co-exist peacefully; building an integrated viewpoint of science, in which there might be various psychological researches and an integration in psychology with difference can be attained.

文章在最后以心理学发展规律为指导，为心理学统一工作的实践提出了一些新思路：在方法论上接受唯物辩证法的统一指导，允许实证和人文等多种具体研究方法的"和平"共处；建立统一的科学观，在统一的规范下可以存在不同的心理学探索，实现心理学有差别的统一。

In recent years,with the study in aboveground vegetation part in depth,research on the roots becomes more and more attention and concern.Therefore,a number of new researches on roots is carried out.

近年来随着对地上部分研究的深入，同时对根系的研究日益受到重视和关注，因而根系的研究在多个新的研究方向上展开。

On the base of Conflict Theory, multilevel causal researches had been carried out and conclusions were made that validity repeal is the basic cause of school violence, emotion evocation is the head cause, abreaction is the immediate cause and heavily social control is the "prime criminal" behind-the-scenes.

并且以冲突理论为基础，将校园暴力的原因进行分层研究，从而得出结论：合法性撤销是导致校园暴力的最基本原因；情感的唤起是校园暴力发生的主要原因；"发泄"是校园暴力发生的直接原因，而高度的社会控制则是其幕后的"元凶"。

In the first part, depending on three or more images, the main research work are listed as follows:(1) using SVD decomposition to realize projective reconstruction;(2) realizing camera self-calibration by solving Kruppa's equation;(3) recovering Euclidean reconstruction from projective reconstruction. Depending on only two images, the main researches are:(1) making out infinite plane homography matrix by using scene structure information, then recovering affine reconstruction from projective reconstruction;(2) making out the absolute conic images by using scene structure information, and then recovering Euclidean reconstruction from projective reconstruction.

在第一部分中，针对三幅及三幅以上的图像，主要研究：①利用矩阵奇异值分解实现射影重构，②通过求解Kruppa方程实现摄像机自标定，③由射影重构恢复欧氏重构；针对只有两幅图像的情况，主要研究：①利用场景结构信息求解无穷远平面的单应矩阵，由射影重构恢复仿射重构，②利用场景结构信息求解绝对二次曲线的像，由仿射重构恢复欧氏重构。

To develop a new kind of absorbent applied to organic exhaust gas purification and recovery, and featured by its good absorption and desorption performances, stable absorbefacient and distinct separation between solute and solvent, on the basis of previous work, a study task of liquid paraffin regarded as an absorbent has been established and some relevant fundamental researches have been done on the liquid paraffin absorbent.

为选择一种适用于有机废气吸收净化、回收，且吸收性能好、解吸性能优越、溶质和溶剂分割清楚、吸收性能稳定的吸收剂，本论文在前人工作的基础上，确立了以液体石蜡作为吸收剂的研究课题，并对液体石蜡吸收剂进行了初步的基础性研究。通过进行液体石蜡对苯吸收性能和解吸性能的基础性研究，得出以下主要结论：液体石蜡对苯的吸收量大；其本身的沸点在340℃以上，对吸收质分割清楚；液体石蜡粘度适中，动力消耗小。

The researches on the magnetic field distribution of it make us obtain more understandings of magnetic problem of ring-like electric current. Based on former researches.

鉴于此，本文将在前人的研究基础之上，通过合理利用数学计算软件Mathematica 对椭圆形电流磁场分布情况做进一步的探讨。

Additionally, some shortages and problems about sea-level researches are listed, and preliminary improving measures concluded include:(1)using more precise dating technology to minimize errors;(2)carrying Out researches on tectonically stable locations;(3)adopting more precise sea-level indicators such as microatolls and tubeworm encrustations.

最后还指出了研究过程中存在的主要问题与不足，并初步总结出一些改进措施：①使用高精度的定年技术，减少年龄误差；②在构造相对稳定的海岸段研究古海平面变化；③尽量采用高精度的标志物，如微环礁、管形虫壳等。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。