基本解釋[經(jīng)濟(jì)學(xué)]未利用地開發(fā)[農(nóng)業(yè)科學(xué)]未利用地開發(fā)英漢例句雙語例句There are five problems in writing dissertations of liberal arts: 1. "the virgin land cultivation" and "the peak climbing" in topic selecting;文科博士的論文寫作有五個大問題：一、選題的“開荒地”和“攀高峰”問題；virgin land cultivation更多例句專業(yè)釋義經(jīng)濟(jì)學(xué)未利用地開發(fā)農(nóng)業(yè)科學(xué)未利用地開發(fā)