Map of airport clearance limit and obstacle location serves as a special one to understand and promote the relation between clearance limits and obstacles.
机场净空限制面及障碍物位置图，是了解掌握限制面和障碍物关系的专业地图。
The overall plan and the detailed plan of airport areas must meet the State's technical standardized requirements of airport clearance protection and flight safety.
机场地区总体规划和详细规划应当符合国家有关机场净空保护和飞行安全的技术规范要求。
To enter Class B airspace, such as an approach to a major metropolitan airport, an explicit ATC clearance is required.
需要持有明确的空中交通管制许可才能进入B类空域，如接近一个大都会机场。
Through this, UPS could get its packages cleared by the customs authorities even before their arrival into the airport, thereby saving a lot of time required for the customs clearance process.
通过这一系统，联合包裹甚至可以在包裹到达机场之前就向海关办理完通关手续，从而节约了大量用来办理海关通关手续的时间。
Meanwhile, Socarras is in talks with the Federal Aviation Administration about getting clearance on Miapolis' soaring height, given the proposed site's proximity to Miami International Airport.
与此同时，Socarras还要与联邦航空局商讨，是否能建造这么高的建筑？ 毕竟它离迈阿密国际机场距离实在太近了。
Meanwhile, Socarras is in talks with the Federal Aviation Administration about getting clearance on Miapolis' soaring height, given the proposed site's proximity to Miami International Airport.
与此同时，Socarras还要与联邦航空局商讨，是否能建造这么高的建筑？ 毕竟它离迈阿密国际机场距离实在太近了。
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