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单词 jansky
释义

jansky /janˈski/ (astronomy)

noun (pl janˈskys)

A unit in radio astronomy measuring the power received at the telescope from a cosmic radio source 10−26Wm−2Hz−1 (abbrev Jy)

ORIGIN: Karl G Jansky (1905–50), US radio engineer
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更新时间:2024/9/22 7:29:34