The protected area for circling approach category C is the outline of multiple circles with their focus at each runway threshold and a radius of 1.7 NM (USA TERPS) or 4.2 NM (ICAO PANS-OPS 4).
请问这句话中的multiple circles和outline怎么翻译呢?还请各位不吝赐教。多谢!作者: 航空 时间: 2011-2-25 03:22:42