短语词组短語sign bit [計]符號位;符號位元;正負號位符號位;正負符號sign bit code 符號位編碼sign bit acquisition system 符號位地震儀sign bit digital seismic instrument 符號位數字儀sign -bit line telemetry 符號位導線遙測Sign -Bit Seismic Record 符號位地震記錄 返回 bit sign