“community questions and answers”的概念、定义、翻译、参考文献-科学参考

单词	community questions and answers
释义	community questions and answers Encyclopedia 理学问答系统释 community questions and answers社区问答利用公共知识平台（互联网、媒体），从人类集体智慧产生的高质量经验中找到问题答案的方式。
随便看	principal normal form principal normal line principal normal plane principal normal section principal normal surface principal normal vector principal number principal nutation principal object 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

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。