en route flight advisory service 航路飞行咨询服务
air route flight 航迹飞行
en route flight watch 航路飞行观察哨
flight route 飞行路线
high-altitude flight route 高空航线
cross-country flight route 长途飞行航线
route instrument flight rules altitude 最低航路仪器飞行高度
route familiarization flight 航路熟悉飞行
No clear information about the source of the Nigerian outbreak is presently available, but the country is known to lie along a flight route for birds migrating from central Asia.
目前尚无关于尼日利亚疫情暴发源头的明确信息，但是已知该国位于鸟类从中亚迁徙的飞行路线。
Continental didn’t specify how much the fees will be, adding they “will be determined on many factors including the type of premium seat, the length of your flight, the date, and route.”
务的具体收费金额，他们补充道“这项费用的多少由多方面因素决定，例如额外付费座位的类型、航班的飞行距离、日期和航线。”
On 21 April 2011, the Superjet 100 performed its first commercial passenger flight, on the Armavia route from Yerevan to Moscow.
2011年4月21日，超级喷气式100飞机进行了首次商业飞行，经亚美尼亚航空线路从埃里温飞往莫斯科。
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