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公安技术标准
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public security technology standard
公安技术标准
对公安标准化领域中需要协调统一的技术事项所制定的标准,是从事公共安全产品或工程生产、建设及流通等需要共同遵守的技术依据,公安标准体系中的一个重要组成部分。
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railwayretaining wall struction
railway roadbed problems and remedial measures
railway rolling stock
railway rolling stock maintenance and repair
railway sand prevention
railway section block
railway shunting hump
railway signal
railway signal indication
railway signaling
railway signaling power supply equipment
railway signaling reliability
railway signaling vital relay
railway sound barrier
railways passenger car equipment
railway station
railway station and terminal
railway structural deformation survey
railway subgrade engineering
railway subgrade maintenance
railway subgrade non-destructive detection
railway switch transition equipment
railway tank car
railway tanker
railway technical station
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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