Mot-clefs : 即時(shí)(shí)通訊______________________，企業(yè)(yè)(yè)(yè)(yè)(yè)(yè)(yè)溝通_________________________，龍笛即時(shí)(shí)通_______________________，移動(dòng)辦公____________，集成開發(fā)(fā)(fā)(fā)(fā)(fā)(fā)(fā)