= open skies adj.
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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