Jet stream region is an area where the wind speed is greater than _________ m/s.

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Jet stream region is an area where the wind speed is greater than _________ m/s.

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When taking off after a large jet takes off, the pilot is expected to _______ ．

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jet pump

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When landing behind a large jet aircraft, the pilot is expected to _______ to avoid wake turbulence.

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单选题

根据《1979年国际海上搜寻救助公约》，Search and rescue region is()

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