Mot-clefs : 即時(shí)通訊_________________________，企業(yè)(yè)(yè)(yè)(yè)(yè)(yè)(yè)(yè)溝通________________________，龍笛即時(shí)通___________________，視頻會(huì)議_________________________，集成開發(fā)(fā)(fā)(fā)(fā)(fā)(fā)(fā)(fā)___________，金笛短信