垂直配类核对 vertical parity check

横向配类核对 transverse parity check

配类核对程序 parity check procedure

块配类核对系统 Block Parity System

块配类核对体系 Block Parity System

字符通信配类核对 paritycheck,charactercommunications

纵向通信配类核对 paritycheck,longitudinalcommunications

偶配类核对 check even parity

配类核对数位 check digit parity