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Referencing the relevant technical specifications of the International Civil Aviation Organization (ICAO), the current state of airspace usage and flight procedures naming in China was analyzed. A new approach to flight procedures design and naming is proposed. This approach introduces the concept of transition+common segment (point) and integrates parallel runways with arrival and departure paths, significantly reducing the number of flight procedures and aeronautical charts, thereby improving airspace utilization efficiency. Using Chengdu Shuangliu Airport as an example, the application of the transition + common segment (point) concept at this airport was analyzed, demonstrating its effectiveness in reducing the number of flight procedures, simplifying aeronautical charts, and easing the burden on air traffic management.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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