仅仅拥有雷达预警系统而没有清晰具体的执行措施，结果仍然是失败的。
Having the radar system without clear and specific executions will also result in losses.
基于雷达的鸟情探测的研究取得了很大进展，在一些发达国家已经建立起实用的雷达鸟击预警系统。
The studying of avian detection based on radar has made much progress and some practical radar avian surveillance systems have been set up.
基于雷达的鸟情探测的研究取得了很大进展，在一些发达国家已经建立起实用的雷达鸟击预警系统。
The studying of avian detection based on radar has made much progress and some practical radar avian surveillance systems have been set up.
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