| 单词 | radio emitter |
| 释义 | > as lemmasradio emitter radio emitter n. ΚΠ 1954 Ann. Reg. 1953 373 Future accurate measurements of the positions of cosmic radio emitters. 1990 Rev. Sci. Instruments 61 3070 For over 20 years it has been known that the Earth is an intense radio emitter in the frequency range from about 100 to 500 kHz. < as lemmas |
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