基本解釋[機械工程]雙循環(huán)變射頻英漢例句雙語例句This paper provided a certain theoretical basis and method for the study of firing technology for rifles with variable-firing-rate and double cyclic systems and is of great value.本文的研究對步槍雙循環(huán)變射頻發(fā)射技術(shù)課題的深入研究提供了一定的理論依據(jù)和方法，具有重要意義。variable-firing-rate and double cyclic更多例句專業(yè)釋義機械工程雙循環(huán)變射頻