| 单词 | national radio astronomy observatory |
| 释义 | National Radio Astronomy Observatory in American Englishnoun an observatory founded in 1956 by the National Science Foundation, currently with three sites of operation: one near Green Bank, West Virginia, having 300-ft. (91-m) and 140-ft. (43-m) paraboloidal dishes; one on Kitt Peak in Arizona having a 36-ft. (11-m) radio telescope; and the Very Large Array in New Mexico |
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