| Subject | English | Chinese |
| IT | mnemonic address code | 助记符地址码 |
| tech. | mnemonic address code | 助记地址码 |
| telecom. | mnemonic code | 助记码即汇编语言的命令码 |
| space | mnemonic code | 助记码 |
| math. | mnemonic code | 记忆码 |
| IT | mnemonic instruction code | 助记指令码 |
| el. | mnemonic instruction code | 指令助记码 |
| IT | mnemonic operation code | 助记操作码 |