“普拉特指标”的概念、定义、翻译、参考文献-科学参考

单词	普拉特指标
释义	普拉特指标 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	secondary ion mass spectroscopy, SIMS secondary ion (SI) secondary isotope effect secondary iteration secondary kidney disease secondary Kodaira surface secondary lead secondary light secondary literature secondary liver cancer secondary loess secondary lymphedema secondary lysosome secondary malnutritionsecondary malnutrition secondary market secondary market of mining rights secondary maximum secondary measurement standard secondary meristem secondary metabolism secondary metabolite secondary metabolites fermentation secondary metabolites of diseased forage secondary metabolites of medicinal plants secondary migration of oil and gas

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。