“periodic variation of corona”的概念、定义、翻译、参考文献-科学参考

单词	periodic variation of corona
释义	periodic variation of corona Encyclopedia 理学太阳物理学释 periodic variation of corona日冕周期变化日冕的形状同太阳活动周期有关：在相对黑子数极大时，日冕近于圆形；而在黑子数极小时则较扁，赤道区延伸较远，两极区延伸较近，且有羽状物。因此，日冕的形状也与黑子数一样，有11年的变化周期。
随便看	the Dream of Wind and Moon The Drive to Win The Drum of Yao People The Drunken Grandma Bai the dual filial piety model The Duchess of Malfi The Duckweed Literary Society The Duel the Duli Yusi Classic the durability of civil engineering materials the durability of metallic materials The Dutch Courtesan the Dutch disease the duty for true statement The Dybbuk The Dying Slave The Dying Swan The Dying Warrior The Dynastic Chronicles Bangkok Era The Eagle Shooting Heroes the early architecture of Wuhan University The Early Learning Association Australia The Earth: Its Origin, History, and Physical Constitution the Earth's magnetosphere the Earth's radiation belt

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