Libo airport researched in this paper is a lateral airport with main intent to tour. The grade index in flight area is 3C at this date and 4C at a future date by scale-up construction.

本论文所研究的贵州省荔波机场是以旅游为主的支线机场，飞行区等级指标本期为3C，远期拟扩建为4C。

youdao

Tens of thousands of birds stop in the Cape May area on their flight south for the winter.

VOA: special.2009.06.01

Space flight is an area of technology that the government feels must be developed and exploited.

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He found that the aircrew given the shorter period to "turn around" after a jet-lagging flight had an area of the brain called the temporal lobe which was noticeably smaller than the others.

BBC: stewardess

The company has also introduced a couple of features that will make flying easier and safer for pilots, most notably the screen area in the flight deck is more than double the surface area than on other aircraft.

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