“太阳黑子周期”的概念、定义、翻译、参考文献-科学参考

单词	太阳黑子周期
释义	太阳黑子周期 Encyclopedia 理学太阳黑子周期释 sunspot cycle太阳黑子周期太阳黑子出现频数的周期性变化。
随便看	group decision support system group decision support system, GDSS Group de Contadora group delay group delay effect group delay response group determinant group dialogues group difference set group direct product group direct sum group discussion method for department heads group dispersion group-divisible block design group divisible design group-divisible design group division group D streptpcoccus group dynamics grouped grouped actinide extraction process grouped data grouped distribution Grouped Poems on Thirty Poems grouped sample

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。