Road restraint systems - performance classes , impact test acceptance criteria and test methods for crash cushions 道路防护系统.防撞缓冲物的性能等级冲击试验验收标准和试验方法
In this paper based on the solution of that problem , a multilevel defense system is researched and implemented 论文基于以上问题的解决，实现和研究的是一个多级安全防护系统。
Analysis of heat transfer and effective thermal conductivity of high temperature fibrous insulation for thermal protection system 热防护系统高温纤维隔热毡传热及有效热导率分析
Railway applications - communications , signalling and processing systems - software for railway control and protection systems 铁路设施.通信信号和处理系统.铁路控制和防护系统用软件
Examination and evaluation of outer protective coating and cathodic protection system for pipeline for iron ore concentrate transmission 尖山铁矿铁精矿输送管道外壁防护系统的检测和评价
In the end this paper expounds the design and implement of a dos detection and defense system based on dm technology 最后本文详细阐述了一个基于数据挖掘技术的dos检测和防护系统的设计和实现。
Application of safety monitoring and controlling system of man and vehicle transportation in inclined roadway in coalmine safety transportation 斜巷运输人车安全监控防护系统在矿井安全运输中的应用
Railway applications - communications , signalling and processing systems - software for railway control and protection systems ; german version en 50128 : 2001 铁路设施.通信信号和处理系统.铁路控制和防护系统
Fortunately , the author of this dissertation took part in network security integrated defend system , a project of the mii ’ s eiif 本文作者有幸参加了信息产业部电子生产发展基金项目“网络安全集成防护系统” 。
Potentially explosive atmospheres - terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres 潜在性爆炸环境.潜在性爆炸环境中使用的设备和防护系统的术语及定义
