dols abbr. dollars 元,美元; [例句]it applies panel co-integration and dynamic ols to test relation between fdi and china's technology innovation.本文运用面板协整工具和动态最小二乘法(dols)来检验我国1990-2004年间的外商直接投资...
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...