... radio attenuation 射电衰减 radio diameter 射电直径 radio dish 射电抛物面天线 ...
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Large diameter radio telescope 大口径射电望远镜
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Dr Carlstrom and his colleagues propose building an eight-metre-diameter radio telescope at the South Pole to search for such cold spots.
ECONOMIST: Cosmology
Forty-two radio dishes, each 20 feet in diameter, were powered up on Oct. 11, to scope out galaxies, black holes, and--maybe, just maybe--alien civilizations.
FORBES: Magazine Article
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