France is helping India build the Astra air-to-air beyond-visual-range missile, while Dassault is vying for India’s ＄10 billion purchase of 126 medium multirole combat aircraft.
法国正帮助印度构建Astra空对空超视距导弹系统，与此同时法国达索公司也正在竞争印度100亿美元的126中型多用途作战飞机购买合同。
The paper has approximately set up the model based on the intelligent control theory for muti-fighters cooperative combat beyond visual range, which consists of the following section.
本文采用了智能控制的有关理论初步建立了超视距多机协同空战的数学模型，它包括以下几个部分。
The Beyond Visual Range (BVR) air combat of stealth fighters was studied theoretically taking the foreign stealth fighters as the objective.
以国外隐身战斗机为对象从理论上研究隐身战斗机超视距空战的问题。
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