To implement Access VPN, this dissertation use SOCKS protocol, Kerberos Protocol and domestic cryptographical algorithm.

VPN cryptographical system is concerned with cryptographical technology, authentication technology and VPN implementation protocols.

VPN密码系统的构建涉及几个方面的技术，包括加密技术、认证技术、实现协议等。

The Research on Chaos-base Cryptographical Algorithm and Its Key Technologies

基于混沌的密码算法及关键技术研究

At last, how to implement the cryptographical equipment of MPLS network is discussed.

最后讨论TMPLS网络密码设备的实现。

Theoretical analysis and computer simulation also indicate that the proposed pseudo random generator has good cryptographical properties.

分析表明，该发生器具有良好的密码学特性。

According to the problems of Chinese employee training, presented an systematic employee training model that is adapted to Chinese forestry enterprises in order to enhance the training effect.

针对国内林业企业员工培训的现状和存在的问题，从提高培训有效性的角度出发，提出了适合我国林业企业员工的一种系统化培训模式。

Conclusion It is effective to establish a systematic training model to increase the level of trauma nursing in Chinese People's Armed Police Force.

结论对目前武警部队护理人员进行创伤救护知识培训是提高武警部队救护水平的有效途径。

Two training inside and outside the circle of mutual integration, mutual promotion, to ensure the orderly development of systematic training model and a virtuous circle.

内外两个培训圈的相互融合、相互促进，保证了系统化培训模式的有序发展和良性循环。

Study on plant systematics of some plants' pollen micro-morphology

部分植物花粉微形态的系统学研究

Structural Characteristics of Animal's Mitochondrial DNA and its Application on Molecular Systematics

动物线粒体DNA的特异结构及应用分子系统学分析的方法

Molecular Marker Identification Application of the Main Strain of Deer in China and Molecular Systematics Research

中国主要茸鹿分子鉴别及分子系统学的研究

Advances in molecular systematics of Lepidoptera using mitochondrial DNA sequences

线粒体基因在鳞翅目昆虫分子系统学中的研究进展

Systematics of Oysters Along the Coast of China: Status and Countermeasures

中国近海牡蛎系统分类研究的现状和对策

This phenomenon was correlated with the relationship of these species in the systematics.

本文观察结果与三种蟑螂在分类学上的亲疏关系是一致的。

Study on Systematics of the 26 Marine Actinomycetes Having Cytotoxic Activity

26株具有细胞毒活性的海洋放线菌的系统发育研究

Systematics of Isomeric Cross Section Ratio for Neutron Induced Reactions

中子反应同质异能态截面比的系统学

The paper introduced the gene fragment for plant molecular systematics and its development.

本文简要介绍了用于分子系统学研究的各种基因片断及其研究进展。

Study on the Systematics of Regional Tourism Cooperation and Applied Research on It

区域旅游合作的系统学分析及应用研究

Insect systematics in China in the new century

新世纪的中国昆虫系统学

New techniques and approaches used in systematics and identification of Angiosperm

被子植物系统分类与鉴定的新方法

The principal of molecular systematics and the application in forest tree

分子系统学原理及其在林木上的应用