飞行行程路线以中短程为主，而且多为邻近地区；

飞行行程路线以中短程为主，而且多为邻近地区；

Results (English) 1:

The flight itinerary is mainly short-to-medium distance, and most of them are in adjacent areas;

Results (English) 2:

The flight routes are mainly short and medium-range, and most of them are adjacent areas;

Results (English) 3:

The flight routes are mainly short and medium, and most of them are near areas;