“superlong term variation of solar activity”的概念、定义、翻译、参考文献-科学参考

单词	superlong term variation of solar activity
释义	superlong term variation of solar activity Encyclopedia 理学太阳物理学释 superlong term variation of solar activity太阳活动超长期变化探讨太阳活动除明显存在大约为11年的周期外，是否存在其他更长周期的课题。
随便看	knowledge organization system knowledge payment knowledge portal knowledge precipitation system knowledge pricing knowledge processing knowledge process outsourcing knowledge product knowledge production Knowledge Q-A system management knowledge quantitative evaluation knowledge quantity knowledge query and manipulation language knowledge query and manipulation language, KQML knowledge reasoning knowledge reduction knowledge redundancy knowledge representation knowledge representation and reasoning knowledge representation ontology knowledge resources knowledge retrieval knowledge reuse knowledge revolution knowledge science

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。