The main work of the visibility analysis is to find hidden area which is not visible to the observers, such as radar, air pre alarm aircraft, interceptor etc.

通视性分析的主要任务是找出使飞行器能够躲避给定的观察者，如雷达站、空中预警飞机和拦截飞机等区域。

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The fat in the hips causes much alarm because that part of the body is highly visible.

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This would mean that the level of visible reserves would actually fall, which might lead to yet more alarm.

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