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先进着陆系统(ALS)是美国ANPC 公司90年代最新研制成功的一种先进的精密进近导航系统。该系统一经推出,便引起了美国联邦航空局(FAA)和国际民航组织(ICAO)的高度重视,其优越的性能、先进的技术和完善的功能是传统的进近导航设备所不能比拟的。经美国联邦航空局建
Advanced Landing System (ALS) is an advanced precision approach navigation system newly developed by the United States ANPC Corporation in the 1990s. Once introduced, the system has drawn the attention of the FAA and ICAO. Its superior performance, advanced technology and complete functions are unmatched by traditional approaches to navigation. Built by the Federal Aviation Administration