“drug addiction”的概念、定义、翻译、参考文献-科学参考

单词	drug addiction
释义	drug addiction Encyclopedia 医学药物成瘾性释 drug addiction药物成瘾性长期用药使机体产生一种病理性的适应状态，成瘾者为了获得某种特殊的精神体验或者为了避免停药引起的不适反应，出于非医疗目的地长期用药。
随便看	proportional plus integral plus differential control proportional-plus-integral-plus-differential control proportional price rule proportional profile proportional region proportional regulator proportional regulatory systems proportional relation proportional relations among agriculture,light industry and heavy industry proportional relations among primary industry,secondary industry and tertiary industry proportional representation proportional sampling proportional selection proportional sequence proportional stratified sampling proportional subclass number proportional trapping proportional valve proportional variable proportion by addition proportion by addition and subtraction proportion by alternation proportion by subtraction proportioner proportion of nonconforming items

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。