短语词组短语block k parity 块奇偶校验block k parity system 字组奇偶校验系统block parity check system 字组奇偶校验方式Block Parity Syaxis 块配类核查系统Block Parity System 块配类核对系统;[计]字组奇偶校验系统;块配类核对体系;块奇偶系统parity block 校验块Parity Check Block 区块 返回 block parity