单词 | radio astronomer |
释义 | radio astronomer She contacted a radio astronomer and there did indeed appear to be significant disturbances in the ionosphere eight days before the actual quake. Times, Sunday Times All he needed was a radio astronomer. Times, Sunday Times Because of that, a group of foreign radio astronomer was hired. Retrieved from Wikipedia CC BY-SA 3.0 He started off his career as a radio astronomer. Retrieved from Wikipedia CC BY-SA 3.0 This requirement implies that a radio astronomer must restrict signals through a bandpass filter. Retrieved from Wikipedia CC BY-SA 3.0 |
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