occupied frequency bandwidth[英][ˈɔkjʊpaɪd ˈfri:kwənsi ˈbændwidθ][美][ˈɑkjəˌpaɪd ˈfrikwənsi ˈbændˌwɪdθ]占有频带宽度; 例句1.frequency bandwidth and duty ratio are main specifications for the controllable neutron source. 频带宽度与占空比是可控中子源的主要技术指标。2.th** method broadens the silence frequency bandwidth of muffler and improves its silence fuction. 这种方法拓宽了消声器的消声频带宽度,改善了消声器的消声性能。occupied frequency bandwidth反义词:unoccupied frequency bandwidth 未被占用的带宽 20210311