route flying meaning in English

航线飞行

This obviously depends on the routes flown , the levels and the solar activities
这要视乎飞行航线高度和太阳的活跃程度而定。
During y2k transition period from december 31 , 1999 to january 1 , 2000 , the international civil aviation organisation ( icao ) had implemented contingency routes in the asia pacific region . in order to validate these special routes flown by aircraft , the aidb system was put on manual checking mode to ensure that flights were accepted in accordance with the contingency arrangement
在一九九九年十二月三十一日至二年一月一日过渡千禧年期间，国际民航组织在亚太区实施应急航线，为了查核航机有否采用这些特殊航线，航空资料库系统遂改以人手操作，确保航机根据应急航线安排而飞行。