铁路信号设备中电气集中设备的正常运行对行车安全和行车效率起着举足轻重的作用。
The normal operation of the electric equipment in the railway signal equipment has played an important role in the safety operation and operation efficiency.
数据库的可用性是指不应拒绝授权用户对数据库的正常操作，同时保证系统的运行效率。
Availability of the database refers to the database should not refuse to authorize the user 's normal operation, while ensuring efficiency of the system.
电除尘器的供电方式直接影响其收尘效率和正常运行。
The power supply way of EP influences its efficiency of collecting dust and normal operation.
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