The TPS-59(V) system is a phased-array tactical radar designed to provide long-range surveillance for the Tactical Air Operations Center (TAOC-85 or TYQ-23(V)).

TPS-59（V）系统是一个相控阵战术雷达，设计用来为战术空中作战中心（TAOC-85或者TYQ-23（V））提供远程监视。

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The Launch and Test Range System includes ground-based surveillance, navigation, flight operations and analysis, command and control, communications and weather assets for space missions.

发射和测试系统包括空间飞行的地面系统任务的监视，导航，飞行操作和分析，指挥和控制，通信和气象资产。

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They probed a range of issues as part of a Youth Risk Behavior Surveillance. Among those questions: "on an average school night, how many hours of sleep do you get?"

作为一个青年危险行为监测的一部分，他们分析了一系列问题，其中包括“平均而言，在学校你每晚睡多久呢？”

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North Korea is warning the United States not to send surveillance planes too close to the site of a planned long-range rocket launch.

VOA: standard.2009.04.01

Each Global Hawk has infra-red and radar sensors, and a surveillance range of 100 miles.

ECONOMIST: Unmanned aircraft

They warn that national security will be dangerously exposed without the aircraft, which would have continued to provide long-range reconnaissance and surveillance, and protect the Royal Navy's Trident submarines.

BBC: Scrapping RAF Nimrods 'perverse' say military chiefs

With 50-to-100 hours of endurance per sortie, the system can conduct broad-area persistent surveillance-attack operations from outside the range of enemy missile threats.

CENTERFORSECURITYPOLICY: Where are the carriers?