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1. Oxford Dictionary

   radio astronomy

   • IPA[ˌreɪdɪəʊ əˈstrɒnəmi]

   英式

   • n.
     the branch of astronomy concerned with radio emissions from celestial objects.

   • noun: radio astronomy

2. • 更多解釋

   radio astronomy

   • IPA[ˌrādēō əˈstränəmē]

   美式

   • n.
     the branch of astronomy concerned with radio emissions from celestial objects.

   Oxford American Dictionary