“drought index”的概念、定义、翻译、参考文献-科学参考

单词	drought index
释义	drought index Encyclopedia 农学干旱指数释 drought index干旱指数表征气候干旱程度的指标。从水分支出与收入对比关系角度描述气候干湿状况，与湿润指数互为倒数。
随便看	active field active filament system active fill-in luminous sign active filter active filtering active flight active flow control active-flux welding active fold active force active forgetting active frequency stablization technology active fuel battery active galactic nucleus active galactic nucleus classification active galactic nucleus polarization active galactic nucleus unified model active galaxy active gas material active getter active glassy material active gravitational mass active half-graben basin active hazard control active homing guidance

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。