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文献计量学
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文献计量学
以文献体系和文献特征指标为研究对象,采用数学、统计学等计量方法,研究文献情报的分布结构、数量关系、变化规律和定量管理,并进而探讨科学技术的结构、特征和规律的新兴的定量性分支学科。又称文献统计学、书目计量学。
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air-conditioning equipment
air-conditioning load calculation
air conditioning system
air-conditioning system
air-conditioning system for cleaning room
air-conditioning system for data center
air conditioning system of transportation vehicles
air-conditioning system performance evaluation
air conditioning system zoning
air condition parameter
air conduction
air cooled condenser
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air-cooled low pollution diesel engine
air-cooler evaporator
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aircraft
aircraft acceleration test
aircraft accident
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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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