短語詞組短語acknowledge U character 肯定字符acknowledge ? character 肯定字符ACK ACKnowledge character 認(rèn)知字符regative acknowledge character 否認(rèn)字符;否認(rèn)字元acknowledge character detail 肯定符號(hào)negative acknowledge character [計(jì)][通信]否認(rèn)字符;[計(jì)]否定字符;反確認(rèn)字符;不認(rèn)可字符NAK Negative AcKnowledge character 否認(rèn)符;否認(rèn)信號(hào)NAC Negative Acknowledge Character 反確認(rèn)字符character negative acknowledge 字符負(fù)確認(rèn) 返回 acknowledge character