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单词 actinometer
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ac•ti•nom•e•ter  (ak′tə nomi tər),USA pronunciation n. 
  1. Astronomy, Physicsa device for measuring intensity of radiation, esp. that of the sun. Cf. actinograph.
  • 1825–35; actino- + -meter
ac•tin•o•met•ric  (ak tin′ō metrik, ak′tə nō-),USA pronunciation ac•tin′o•metri•cal, adj.  ac′ti•nome•try, n. 

Collins Concise English Dictionary © HarperCollins Publishers::
actinometer /ˌæktɪˈnɒmɪtə/ n
  1. an instrument for measuring the intensity of radiation, esp of the sun's rays
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更新时间:2024/9/21 8:08:12