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单词 θ88784
释义
the world > action or operation > safety > protection or defence > vigilance > keeping watch > [adjective] > exercising surveillance > permitting surveillance from the air (2)
open-sky1944

= open skies adj.

open skies1945

designating a policy under which aircraft, esp. commercial aircraft, of any nation are allowed to fly into a particular territory.

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更新时间:2024/12/24 8:53:16