“Pratt's index”的概念、定义、翻译、参考文献-科学参考

单词	Pratt's index
释义	Pratt's index Encyclopedia 理学文献计量释 Pratt's index普拉特指标度量文献计量学中等级-频次分布的集中程度的指标。
随便看	Lusaka Lusaka National Museum Lusaka Peace Accord Lusaka Province Lusatians Lusec Lusha'er Zhen Lu Shan Lushan Conference Lushan Duandian Kiln Lushan earthquake Lushan Geomuseum Lu Shanji Lushan Jingshe Series Lushan leno Lushanlianzongbaojian Lushan Lindsay Park Lushan National Park World Culture Heritage Lushan Natural Reserve Lushan Poetry Museum Lushan Religious Museum) Lushan Science and Technology Museum Lushan Thatched Cottage Lushan Villas Lushan Xian

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。