文章先对网络安全现状作一介绍，然后阐述网络面临的四种主要安全性威胁，并针对网络安全性提出了相应措施。
This paper presents the current situation of network security, then raises four types of security threats on network, finally, the author sets forth some measures to solve network security.
文章绍了用于机械钻机井架起升过程中的一种新型起升装置。
The paper describes a new kind of raising assembly for mechanical drilling rigs.
文章主要对华东师范大学文学院大跨度连廊中应用现浇混凝土空心楼盖及滑动支座设计等作一介绍。
The application of cast-in-situ hollow concrete floor system in the large span gallery of the Literature Institute of East China Normal University and the design of the slip bracket are introduced.
文章通过实例，就纸机用聚酯网规格的测定作一介绍。
It was introduced that the mensuration of the standard of polyester wire used on paper machine in this paper.
文章就高等植物NADP - ME的克隆、功能和基因表达调控方面作一介绍。
This paper is an introduction of the higher plant NADP-ME in the aspect of cloning, function and regulation of gene expression.
该系统达到了预期目标，系统中的各个部分将在文章中一一介绍。
The system achieved the expected target, various parts of the system will be introduced one by one in the thesis.
该系统达到了预期目标，系统中的各个部分将在文章中一一介绍。
The system achieved the expected target, various parts of the system will be introduced one by one in the thesis.
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