同时列举了整个调度信息系统面临的安全攻击和安全隐患，并提出了电力调度信息系统总体安全防护结构和防护原则。
The paper also discusses the general principle of the security construction, and analyzed the main attack to the dispatching information system.
文章介绍跑车安全防护装置的结构特点、加工制作与安装及应用情况。
In this article, the structure characteristics, manufacture and installation and application condition for the roadster safety protection device.
介绍一例水压爆破拆除钢筋砼箱梁的爆破方案、参数设计、装药结构及安全防护，并对爆破效果进行分析。
In this paper, the blasting program, parameters, charging structure and safety defence of demolishing a case beam by hydraulic blasting is introduced, the blasting results are analyzed.
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