“太阳黑子的古代观测”的概念、定义、翻译、参考文献-科学参考

单词	太阳黑子的古代观测
释义	太阳黑子的古代观测 Encyclopedia 理学太阳物理学释 ancient.sunspot observation太阳黑子的古代观测在望远镜发明以前直接用肉眼观察日面上的黑子现象。在一般情况下，由于太阳光十分刺眼，看到这种现象的机会不多。但在日出或日落时，或在大雾笼罩或风沙弥漫的天气，日光减弱，就有可能看到日面上的大黑子。
随便看	supply and demand balance of resources supply and demand balance of water resources supply and demand factors of urban land supply and demand mechanism supply and marketing cooperatives supply and marketing organization bookstore supply and use tables supply ceiling with damping exfiltration layer supply chain supply chain cash flow turnover time supply chain cooperation risk supply chain coordination mechanism Supply chain coordination technology and method supply chain cost supply chain demand risk supply chain disruption risk supply chain environmental risk supply chain flexibility supply chain information management supply chain information management system supply chain information risk Supply chain logistics supply chain management supply chain management models supply chain management, SCM

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。