单词 | background radiation |
释义 | background radiation (once / 295483 pages) n WORD FAMILY background radiation USAGE EXAMPLESMeanwhile, Central Park itself clocked in at 100 millirem per year, probably because of background radiation from granite found in the park. Science Magazine(Jun 06, 2016) But all that kind of adds together to create at least a background radiation of an allegiance. Slate(May 25, 2016) This might be a reading of air temperature, a measurement of background radiation, or variations in atmospheric noise. BBC(May 17, 2016) n radiation coming from sources other than those being observed Hyper background, background signal extraneous signals that can be confused with the phenomenon to be observed or measured |
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