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根据某个信息需求从信息资源集合中获取最相关的k个信息资源的过程。信息的搜索过程可以基于全文索引,也可以基于其他内容索引。
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fire elevator
fire emergency broadcast system
fire emergency lighting and evacuating system
fire emergency lighting device
fire emergency rescue
fire endurance of building member
fire engines
fire equipment
fire evacuation
fire evidence collection
fire extinguisher
fire extinguishing system
fire extinguishment
fire factor
firefighter
firefighter protective equipments
firefighters' lift
fire fighting
firefighting and rescue equipments
fire-fighting clothing
firefighting command
firefighting command decision
fire fighting commander
fire-fighting emergency rescue management
firefighting equipments
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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更新时间:2025/7/25 23:02:10