Perhaps Jimmy's most important work during this period involved instrument flying.
可能这这时期吉米最重要的工作是仪器导航飞行法。
Examples of this type of control include formation flying, instrument flight, and landing.
这类操纵的例子包括编队飞行，仪表飞行和着陆。
Examples of this type of control include formation flying, instrument flight, and landing.
这类操纵的例子包括编队飞行，仪表飞行和着陆。
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