请输入您要查询的字词:
单词
书目计量学
释义
书目计量学
Encyclopedia
管理学
书目计量学
释
Bibliometrics
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。
随便看
soil erodibility
soil erosion
soil erosion agency
soil erosion degree
soil erosion in China
soil erosion index
soil erosion intensity
soil erosion map
soil erosion monitoring
soil erosion prediction
soil erosion simulation test
soil erosion tracer measure
soil evaporation
soil evaporation pan
soil exchangeable acidity
soil exchangeable adsorption
soil exchangeable base
soil exchangeable cations
soil exchangeable hydrogen
soil exchangeable sodium
soil exhaustion
soil expansion
soil ex-situ remediation
soil extract
soil farming system
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/10/30 19:12:46