restricted airspace

Regulations issued by the Civil Aviation Authority ( CAA) state no aircraft is to fly below 2000ft ( 610m) within the restricted airspace.

民航局发布的章程规定，禁飞空域内，飞行器不得在2000英尺（合610米）以下高度飞行。

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But as NPR's David Schaper explains that restricted airspace is not with the Malaysia Airlines' Boeing 777 went down.

但是据NPR新闻的大卫·沙佩尔报道，该管制空域并不是马航波音777飞机坠毁的区域。

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making landfall over the lighthouse at dunkirk was an extraordinary feeling. once over france, i initiated a sharp descent to avoid entering a restricted airspace at the border with belgium.

看到敦克尔克灯塔后，我开始降落&这是一种不寻常的感受。在法国上空，为了避开与比利时交界的禁飞区，我急速下降。

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The field of operations has been staked out. The limits of the military restricted airspace and the land and water military restricted zones of utmost importance shall be designated by the State Council and the Central Military Commission.

空中军事禁区和特别重要的陆地、域军事禁区的范围，由国务院和中央军事委员会划定。

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image intensifying technique based on gray-level redundancy equilibrating and restricted airspace sharping

灰度冗余均衡与受限空域锐化的图像增强技术

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aircraft are almost never seen in the skies above central beijing, which is restricted airspace.

在北京上空是限制空域，几乎从来没有看到过飞机。

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breakingnews: cuba agrees to let u. s. medevac flights with haiti victims pass through restricted airspace -- nyt

Twitter摘录：古巴同意美军救援直升机通过本国空中禁区，运送海地地震伤员-纽约时报

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once over france, i initiated a sharp descent to avoid entering a restricted airspace at the border with belgium.

在法国上空，为了避开与比利时交界的禁飞区，我急速下降。

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As one kind of finite nature resource being shared by human, radio frequency spectrum have the three-dimensional characteristic of the extensity, timeliness and frequency, but it is not be restricted with terrain, airspace and time.

无线电频谱作为一种人类共享的有限自然资源，具有空间、时间和频率的三维特性，又不受地域、空域、时域的限制。

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