| 1. | New subhead " replacement of route surveillance radar
新分目更换航路监察雷达 |
| 2. | Mount parker new route surveillance radar commissioned , ( 3032004 )
柏架山新航路监察雷达启用( 3032004 ) |
| 3. | Upgrade of route secondary surveillance radar rssr at mount parker to mode s capability
把柏架山的航线二次监察雷达提升至s模式操作 |
| 4. | To enhance surveillance of air traffic at low altitude airspace not adequately covered by radar
为加强监察雷达未能全面覆盖的低高度空域的空中交通1套 |
| 5. | Leasing of secondary surveillance radar and very high frequency 7 . communications facilities at xisha
租用在西沙设置的二次监察雷达及甚高频通讯系统。 |
| 6. | In the same year , air traffic management was enhanced by the introduction of secondary surveillance radar
同年，机场开始采用二次监察雷达，加强管制航空交通。 |
| 7. | A primary surveillance radar detects and provides both range and bearing information of an aircraft within its effective coverage
一次监察雷达能探测覆盖范围以内之飞机距离及方向资料。 |
| 8. | A ssr can provide more useful information than psr but is subject to the proper functioning of the aircraft s transponder
二次监察雷达较一次监察雷达能提供更多有用的资料。不过，这得依赖航机上的应答器能正常运作。 |
| 9. | The prm is basically a monopulse secondary surveillance radar ( mssr ) that employs electronically - scanned antennas configured in a circular array
精密跑道监系统基本上属单脉冲二次监察雷达，但采用排列成形的电子扫描天线。 |
