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| air surveillance radar (部署于机场周围，可对60n mile, 360 范围内的飞机进行探测的雷达。该雷达虽然在分辨率能力上不及精确进近雷达 (PAR),但其具有更远的探测距离和360°覆盖范围。这种雷达在有限情况下可在地面控制进近过程中使用。由于不能提供高度控制，且侧向控制的精度不如精确进近雷达，所以要求飞机必须在更高的高度上突破云层的遮挡，对空监视雷达可以将飞机引导至距离着地点 1mile 的范围内) | |||
| anti-aircraft surveillance radar | |||
| air defense surveillance radar; air surveillance radar | |||
| 对空监视雷达: 7 phrases in 5 subjects |
| Air defense | 2 |
| Electronics | 1 |
| General | 1 |
| Space | 2 |
| Technology | 1 |
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