有机: organic organic阳离子: cation; basic ion; kation; k ...通用: be in common use; be current ...符号: character; sign; symbol; mar ...有机阳离子: organic cation有机阳离子化合物: ium compound; organic cationic compound有机阳离子稳定剂: organic cationic stabilizer有机阳离子药物: organic cationic drug次生有机阳离子聚合物: secondary organic cationic polymer通用符号: conventional sign; conventional symbol; general symbol(s); universal symbol机床通用符号: graphical symbols for use on equipment-common symbols for machine tools电焊设备通用符号: graphical symbols for use on equipment-common symbols for electric welding equipment通用符号汇编语言: gesal general symbolic assembly language设备用图形符号 通用符号: graphical symbols for use on equipment--common symbols阳离子有机聚合物: cationic organic polymer; cop初学者的通用符号指令码: basic beginner's all-purpose symbolic instruction code初学者通用符号指令代码: basic; beginners all-purpose symbolic instruction code初学者通用符号指令码: basic beginner's all purpose symbolic instruction code; basic beginner's all-purpose symbolic instruction code; beginners all purpose symbolic instructions code初学者通用符号指示代码: basic (beginner's all-purpose symbolic instruction code)◇初学者通用符号指示代码语言 basic language受体依从性阳离子通道: receptor-operated cation channel设备用图形符号 电焊设备通用符号: graphical symbols for use on equipment--common symbols for electric welding equipment设备用图形符号 机床通用符号: graphical symbols for use on equipment--common symbols for machine tools枯枝落叶等高度分解的有机层用符号“: oa枯枝落叶等弱度分解的有机层用符号“: oi枯枝落叶等中度分解的有机层用符号“: oe