AMI Alternate mark inversion 信号交替反转编码 ALU 逻辑运算单元 A/N 字符/数字方式 ACF/VTAM Advanced communication facility/Virtual telecommunication access method APA 图形方式 APPN Advanced peer-to-peer networking 高级点对点网络 ASN.1 Abstract syntax notation 1 第一个抽象语法 ASCE Association co
