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书目计量学
采用数学、统计学方法,揭示和研究各类文献的分布结构、数量关系、变化规律和定量管理,进而探讨学科发展特征、规律与趋势的科学。是数学、统计学、目录学等多学科交叉发展的产物。又称文献计量学。
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earth-grazing asteroid
earth, ground
earth-inductor
earthing
earthing of the railway vehicles
earthing switch for busbar
earth-ionosphere waveguide radio wave propagation
earth-light
earthlight
Earth-like exoplanet
Earth-like planet
earthly branch-preion of point selection
earth magnetic field
earth magnetosphere
earth mantle
earth mass redistribution
earth metal
Earth Microbiome Project
earth model
Earth Moon and Planets
Earth-Moon mass ratio
earth-moon problem
earth-moon space
earth-moon system
earth-moving doctrine in ancient China
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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