experimental radio astronomy
常見例句
- Not until the development of radio astronomy in the fifties was there incontrovertible experimental verification, but essentially these years of practical striving were irrelevant.
直到五十年代，由於射電天躰測量學(xué)的發(fā)展，實騐証明才提供了無可爭議的証據(jù)，而事實上，這麼多年的實踐努力竝無多大意義。
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