... 研究方法(Research Approaches) 研究的技术路线(Research of Technical-line) 建立社区教育体系的理论基础（Basic Theories of Community Education System） ...
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Described is the structure of the assist steering device applied on bolsterless bogies as well as the operation test results on the special test line of Japan's Railway Technical Research Institute.
介绍了无摇枕转向架上应用的辅助导向装置的结构，以及在日本铁道综合技术研究所专用试验线上的运行试验结果。
The results obtained by these methods will play a role of support to technical basis and scientific research achievements for choosing dam line.
采用超载法、强度折减法及点安全系数法评价下坝线拱坝的安全度，为该水电站坝线比选提供技术依据和科研成果支撑。
This thesis mainly discusses the key technology and line transmission system of the popular digital TV in the world now, research DVB technical specification and performance characteristic of system.
本文主要讨论了世界上流行的数字电视传输系统的组成和关键技术，研究了DVB系统的技术规范和性能特点。
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