“survey of Chinese materia medica resources”的概念、定义、翻译、参考文献-科学参考

单词	survey of Chinese materia medica resources
释义	survey of Chinese materia medica resources Encyclopedia 医学中药资源调查释 survey of Chinese materia medica resources中药资源调查运用一定的方法和技术，以掌握对象资源物种或区域范围内药用动植物及矿物的种类、分布、蕴藏量、生态及产销情况等为目的的实地调查。是中药资源研究的基础性工作。
随便看	negative definite operator negative definite quadratic form negative deviation Negative Dialectics negative difference between purchasing and marketing prices negative differential conductivity negative differential resistance negative direction negative dispersion negative distribution negative divergence negative domain negative dromotropic action negative edge negative effect negative effect of organizational communication negative electricity negative electrode negative electrode/cathode negative electron negative electron affinity photocathode negative element negative emotional processing negative energy negative energy state

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。