n. Public video conferring system 公用型會(huì)議電視系統(tǒng) interpolated pvcs: 極間性pvcsmultifocal pvcs: 多灶性pvcsunifocal pvcs: 單灶性pvcs單灶性pvcs: unifocal pvcs多灶性pvcs: multifocal pvcs下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯