Constant Area
| Coding
| constant area abbr. | |
| met. | 常数区 |
| coding abbr. | |
| bridg.constr. | 编程序; 顺号 |
| hydroel.st. од. | 编码 |
| interntl.trade. | 编制程序 |
| math. | 程序; 符号代语 |
| met. | 编号 |
| qual.cont. | 编制 |
| skydive. | 译成电码 |
| sport. med. | 解码 |
| |||
| 常数区 | |||
| 常数存储区 | |||
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Constant Area : 13 phrases in 6 subjects |
| Artificial intelligence | 1 |
| Automobiles | 1 |
| Aviation | 4 |
| Geophysics | 1 |
| Space | 1 |
| Technology | 5 |