So the first scouts start the landing operation.

首批侦察机开始空降行动。

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This thesis analyzes the demand of the airports departure and landing capacity, and allocates the operation reasonably in order to make the planned capacity match the actual capacity of the airports.

论文分析了机场起飞容量和降落容量操作需求，合理分配机场的起降操作，以使机场的计划容量和实际容量相匹配。

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Establish contact with local customs authorities. Learn country laws, forms, costs, landing fees, and hours of operation of ports of entry.

与当地海关官方建立联系。了解该国法律、形式、花费、登陆费和进入港口所需时间。

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Two other remote landing pads are in operation - at Mahon Road in Portadown and Maydown, near Londonderry.

BBC: PSNI to build helipad in Enniskillen police station

It was not a military operation, but without the landing of American troops, it probably would not have succeeded.

NPR: Author Kinzer Charts 'Century of Regime Change'

All of the towers on the list have fewer than 150, 000 operations (an operation is a takeoff or landing) or 10, 000 commercial operations a year.

CNN: Airports can make case to keep their control towers open