Test of Semiactive Landing Gear Control For a GeneralAviationAircraft.
一种通用航空飞机半主动起落架控制的试验。
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In the United States, the Federal Aviation Administration says that nearly 237,000 generalaviationaircraft were actively flying in the country in 2010.
美国联邦航空管理局表示,2010年差不多有237000架民用飞机投入飞行。
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The General Administration of Civil Aviation of China issued a new notice banning passengers from taking lighters and matches on aircraft Monday.