 |
| |||
| 死滞，盲，静，不工作，不灵敏区 | |||
| 死区 | |||
| 禁射区; 飞机超声探伤无效区 | |||
| 肓区 | |||
| 不灵敏区 | |||
| 无信号区; 盲区 (雷达的) | |||
| 闭塞区; 空区; 滞区; 非灵敏区; 不工作区; 死水区; 死区域; 死带; 输出不变区; 死角地带; 空穴; 停滞区; 空气闭塞区 | |||
| 发球线与端线之间的危险地区; 危险地区; 死点区 | |||
| 死角区; 盲区; 静区 | |||
| |||
| 死空，滞，盲，静，不变，不工作，不灵敏,无电区的; 恒域的 | |||
| 不灵敏区; 死区; 滞区 | |||
| dead zone: 32 phrases in 10 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Communications | 1 |
| Earth sciences | 1 |
| Hydroelectric power stations | 3 |
| Information technology | 2 |
| Metallurgy | 7 |
| Space | 9 |
| Technology | 6 |
| Wind Energy | 1 |