| |||
| 高速公路等进入限控制 | |||
| 通路控制 | |||
| 进人限制; 公路支线的进口控制; 进入控制; 进口控制; 出入口控制; 通道管理 | |||
|
control of access : 15 phrases in 8 subjects |
| Computers | 1 |
| Electronics | 1 |
| Geophysics | 1 |
| Hydroelectric power stations | 1 |
| Information technology | 2 |
| Multimedia | 1 |
| Road construction | 4 |
| Technology | 4 |