Satellite surveillance is particularly critical for Israel, which faces strategic threats from hostile neighbors and from countries as far away as Iran.

面对敌视的近邻和来从遥远伊朗的战略威胁，侦察卫星对以色列尤其重要。

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"Our only real-time feedback will be aerial surveillance and satellite imagery," Allen said.

“我们唯一的实时反馈会是航空监测和卫星云图，”艾伦说道。

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Considered a "pseudo satellite," Vulture may one day serve as a persistent intelligence, surveillance and reconnaissance (ISR) platform, or as an aerial node in a global communications network.

考虑到它是一颗“伪卫星”，Vulture可以作为一个情报、监视和侦查(isr)平台，或者作为一个全球通信网络的一个结点来服务。

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The United States Space Surveillance Network is closely studying the collision involving the Russian satellite.

VOA: special.2009.04.01

C130J transport plane was hitting problem after problem, it lost a key satellite surveillance contract to Boeing, and losses kept piling up.

ECONOMIST: America's defence companies are turning dual-purpose

In December, U.S. officials began discussing with Algeria the possibility that it might acquire its own satellite surveillance system to monitor terrorist movements in southern Algeria.

CNN: Algeria attack changes terror landscape in North Africa

It is believed that China may have been willing to join the new Security Council resolution because satellite surveillance has shown activity at North Korea's nuclear blast test sites suggesting another atomic test may be imminent.

NPR: NKorea Warns It Will Build Up 'Nuclear Deterrence'