1.a light touch or stroke
2.a small quantity of something moist or soft;
a dab of paint
1.apply (usually a liquid) to a surface;
dab the wall with paint
2.hit lightly;
pat him on the shoulder
DAB是( Digital Audio Broadcasting)的簡(jiǎn)寫(xiě),它提供了接近CD質(zhì)量的聲音,廣播及商機(jī)無(wú)限的附加數(shù)據(jù)服務(wù),聽(tīng)眾可更容易地收聽(tīng),完全無(wú)干擾廣播業(yè)者以較低的發(fā)射費(fèi)用提供CD質(zhì)量的節(jié)目給聽(tīng)眾,也會(huì)帶動(dòng)接收機(jī)和發(fā)射機(jī)產(chǎn)業(yè)的商機(jī),更可推動(dòng)廣播天空邁向多媒體廣播(DMB)的世界。