variable field
| control
| variable field | |
| dat.proc. | 可变字段; 变长字段 |
| el. | 可变磁场 |
| el.mach. | 可变场 |
| mil., air.def. | 变化场 |
| tech. | 变 场 |
| telecom. | 可变信息组; 可变域 |
| control | |
| hydroel.st. | 调节 |
| hydroel.st. од. | 控制 |
| IMF. | 管制 |
| manag. | 管理、管制; 核对; 存根 |
| met. | 调整; 操纵; 控制装置 |
| pest.contr. | 防治 |
| |||
| 可变字段; 变长字段 | |||
| 可变磁场 | |||
| 可变场 | |||
| 变化场 | |||
| 变量场 | |||
| 可变信息组; 可变域 | |||
| |||
| 著录信息块 | |||
|
variable field : 33 phrases in 11 subjects |
| Chemistry | 1 |
| Data processing | 4 |
| Electricity | 1 |
| Electronics | 8 |
| Information technology | 6 |
| Librarianship | 2 |
| Multimedia | 1 |
| Oil / petroleum | 1 |
| Space | 3 |
| Technology | 4 |
| Telecommunications | 2 |