| 单词 | microwave background |
| 释义 | > as lemmasmicrowave background microwave background n. Astronomy weak microwave radiation detectable at an almost constant intensity throughout the universe and believed to be the redshifted remnant of an early high-temperature stage of its formation. ΚΠ 1966 Physical Rev. Lett. 16 405/1 The measurement of the spectrum of this new microwave background provides a severe test of the cosmic black-body-radiation hypothesis. 1992 Economist 29 Feb. 105/2 The cosmic microwave background is a relic of the big bang, a glow of millimetre-wavelength radiation spread all over the sky. < as lemmas |
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