“Longmen Zhen”的概念、定义、翻译、参考文献-科学参考

单词	Longmen Zhen
释义	Longmen Zhen Encyclopedia 理学富阳区释 Longmen Zhen龙门镇中国浙江省杭州市富阳区辖镇。
随便看	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 principal quantum number principal quintic form principal radius of curvature principal ray principal reduced form principal refractive index

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。