本文主要研究给定间隔标准下平行航路和交叉航路的碰撞风险问题。
Collision risk of parallel route and crossing track under separation standard is researched in this paper.
临时航线通常不得与航路、固定航线交叉或者通过飞行频繁的机场上空。
Normally temporary air routes shall not intersect airways or permanent air routes, or pass over aerodromes that have heavy air traffic.
洋山深水港区地处自然条件复杂的岛屿海域，多条主要航路交叉，其通航环境具有显著的特征。
Located at the island sea area with complicated natural conditions and several cross fairways, Yangshan deepwater port has its own remarkable characteristics in navigation circumstance.
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