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单词 Maunder minimum
释义
Maunder minimum
n.
A period of unusually low sunspot activity lasting from approximately 1645 to 1715, corresponding roughly to the middle and coldest portion of the Little Ice Age.

[After Edward Walter Maunder (1851-1928), British astronomer who identified it in records of sunspot activity from the time.]
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更新时间:2024/11/11 16:29:14