“perennials”的概念、定义、翻译、参考文献-科学参考

单词	perennials
释义	perennials Encyclopedia 农学宿根花卉释 perennials宿根花卉地下部分宿存越冬而不形成肥大的球状或块状根，翌年春季仍能萌蘖开花并延续多年的花卉。
随便看	principal offender principal of land laws principal of least dissipation of energy principal open set principal optical axis principal orbit principal orbit type principal order principal order module principal parabola principal parameter principal part principal partition principal part of an infinitesimal principal plane principal plane of crystal principal plane of photograph principal plane pattern principal planet principal point principal point of photograph principal polarization principal polynomial principal projection property principal punishment

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。