In both military and civilian fields, for instance, in air defense and in air traffic control, we all need tracking targets in a reliable and accurate mode.

The Research on the Innovation of Civil Aviation Security System for Responding to the New Type of Terrorist Threats

应对新型恐怖威胁的民航空防安全体系革新研究

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The Design of Simulation Scenario on Missile and Plane's Countermine

空防对抗仿真的情景想定设计

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Consideration on Constructing the Safety Network of Air Defense in Shanghai

关于构建上海空防安全网络的设想

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In the future war, the main missions of UCAV system are SEAD, deep strike and "air occupancy".

在未来战争中，无人战斗机系统的主要作战使命是空防压制、纵深打击和“空中占领”。

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Focusing on the Key Links of Air Security

与时俱进抓好空防安全关键环节

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The recent serious air disasters in the world make the situation of aviation security more critical.

最近，我国和世界各地连续多次严重的空难事件使空防安全的紧迫性显得尤为突出。

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The authors say China will also aim to achieve air superiority by destroying or suppressing enemy ground-based air defense systems and air defense command systems.

作者说，中国也通过摧毁或者抑制敌军地空防御系统或者空防指挥系统来达成其空优态势。

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The cabinet had panicked, and had convened a committee to study the problem of air defence.

内阁会议一片恐慌，决定设置一个委员会来研究空防。

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Aiming at the present air defence intercept characters, the paper uses the HLA technology architecture to narrate in detail the development process of the ground-to-air missile intercept simulation system based on the mathematic models of the ground-to-air missile intercept.

针对当前空防对抗的主要特点，在地空导弹拦截的数学模型的基础上，利用HLA技术框架，详细地叙述了地空导弹拦截仿真系统的开发过程。

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He said the country needs to install at least one battery of an ultra-modern air defence system on four sides of major cities or military installations for security.

他表示国家至少要在主要城市或者军队的安保设备的四周均部署这样一套非常现代化的空防系统。

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Study on System Dynamics Model of Simulation of Air-defense Confrontation

空防对抗仿真的系统动力学模型研究

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Syria also has about 4000 rockets, which, like American stingers, can be carried around without vehicles and hoisted onto a shoulder for use: "man-portable air-defence systems", or MANPADS.

叙利亚也有约4000枚火箭弹，像美国的机尾炮，可不用运载工具随身携带，挂在肩上使用，“单人便携式空防系统”，或manpads。

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I do not think the German Air Force has the numbers or quality to overpower our air defences.

我不认为德国空军在数量和质量上能击溃我们的空防。

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The air defense combat system was a class of complex military combat system.

空防作战系统是一类复杂的军事作战系统。

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However, the Diefenbaker government followed the security policy of the St. Laurent Government, and approved the North American Air Defense Military Agreement in less than two months.

可是，执政后的迪芬贝克政府却沿续圣劳伦特政府的安全政策，在执政不到两个月的时间就批准了北美空防（以下简称诺德，英文简称NORAD）军事协定。

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" The two countries have also offered to set up a project in Pakistan for manufacturing short-medium-and high-range air defence systems," he added.

“这两个国家都可以向巴基斯坦提供建立生产短程及远程的空防系统，”他补充道。

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We may need to upgrade to Defcon three.

空防可能得进入状况三。

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The model of target acquisition is a key model in simulation of air defense antagonism.

目标探测模型是空防对抗仿真中的关键模型之一。

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Air defense by the use aircraft or missiles or artillery or electronic countermeasures.

使用飞机或导弹或电子对策的空防。

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The analysis and evaluation of air-to-ground engagement effect is a kernel portion of the air-to-ground engagement simulation training system, and also is a very difficult problem.

空对地作战效果的分析与评估，是空防对抗仿真训练系统的一个核心组成和难点问题。

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