短語(yǔ)詞組短語(yǔ)multicast data origin authentication 組播數(shù)據(jù)源認(rèn)證data origin authentication service 數(shù)據(jù)來(lái)源鑒別服務(wù)origin data authentication 原始資料鑒別;源數(shù)據(jù)鑒別 返回 data origin authentication