基本解釋放射性探測英漢例句雙語例句To resolve the problem, it is necessary to ascertain the origin of radioactivity with geological prospecting as the first step.要從源頭上解決建材放射性超標(biāo)的問題，必須查清其中放射性的來源，竝從地質(zhì)勘查抓起。radioactivity prospecting更多例句詞組短語短語prospecting radioactivity 放射性探勘radioactivity prospecting更多詞組專業(yè)釋義地球科學(xué)放射性勘探放射能探勘