“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	life distribution model life education life education movement life events and difficulties schedule life events theory Life expectancy life expectancy life extension of civil engineering life force life form Life Forms life game life history life history characteristics of invasive species life history differentiation of invasive species life history of fish life history strategy theory life history study life imprisonment life insurance mortality table life insurance reserve life insurance reserves Life Is Less than One Hundred Years lifelength lifeline and rescue rope

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。