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

1、

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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2、

" 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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3、

We may need to upgrade to Defcon three.

空防可能得进入状况三。

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4、

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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5、

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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6、

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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7、

Production yield of KHS additive is averaged 77% with the highest one over 90%, and the waste water can be reused.

结果表明，KHS添加剂的生产工艺简单，产品质量达到要求，平均产率为77%，最高产率达90%以上，并可回收和利用废液。

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8、

Comprehensive assessment model of the survivability of air defence missile system

防空导弹武器生存能力的综合量化评估

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9、

Transforming Local Civil Air Defence Tunnel into Main Fan Performance Test System

局部开发人防坑道为主扇性能测试系统

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10、

Evaluation and Selection of Technology for Civil Air Defence Projects

人防工程技术的评价与选择

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11、

Application of virtual reality technology in air defence weapon system ′ s development and production

R技术在防空武器系统研制生产中的应用

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12、

Standards of medical aid engineering design of the civil air defence

人民防空医疗救护工程设计标准

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13、

Principles and Suggestions for Function Conversion of Civil Air Defence Works

人防工程平战功能转换的原则和建议

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14、

Study on Information Operation Method for Ship-based Missile Air Defence System

海军舰载导弹防空系统信息作战方法

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15、

Cause Analysis and Countermeasures of Electric Fire in Civil Air Defence Engineering

人防工程电气火灾起因分析及对策

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16、

Several Problems and Their Countermeasures on Urban Air Defence Construction

当前城市人防工程建设中的若干问题及其对策

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17、

Reliability Analysis of Civil Air Defence Works and Its Application

人防工程结构可靠性分析及其应用

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18、

Guangdong Engineering Management Information System for Civil Air Defence Based on GIS

基于GIS的广东省人防工程管理信息系统研究

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19、

Requirement analysis of modern air defence system for air defence missiles

Air（初三适用）现代防空体系对防空导弹的需求分析

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20、

The model may provide scientific references for air defence decision-making.

该模型可为防空作战指挥决策提供科学依据。

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