网络释义专业释义英英释义
WAAS：Wide Area Augmentation System（广域增强系统）,它可以将定位精度提高到3米以内，但该系统信号仅 在北美部分地区能够收到，在国内不适用，因此，通常不选择此项。
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... Velocity Made Good (VMG) 有效航速 Waypoint 航点 Wide Area Augmentation System (WAAS) 广域强化差分系统 ...
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短语
Wide Area Augmentation System
- abstract: The Wide Area Augmentation System (WAAS) is an air navigation aid developed by the Federal Aviation Administration (prime contractor Raytheon Company) to augment the Global Positioning System (GPS), with the goal of improving its accuracy, integrity, and availability. Essentially, WAAS is intended to enable aircraft to rely on GPS for all phases of flight, including precision approaches to any airport within its coverage area.
以上来源于: WordNet
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