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当今世界,凡是被发现的目标就意味着被击中,凡是被击中的目标就意味着被摧毁。这一观点已经随着精确制导武器性能的提高而不断被证实。在这里,发现目标成了问题的关键。怎样才能发现目标呢?侦察卫星可堪当重任!侦察卫星可以分为照相侦察卫星、电子侦察卫星、导弹预警卫星、海洋监视卫星以及核爆炸探测卫星等。在各种侦察卫星中,照相侦察卫星发展最早,发射也最多,是空间侦察监视任务的主要承担者,号称“千里眼”。
In today's world, where the object is found, it means being hit. Any target that is hit means being destroyed. This view has been constantly proven with the improvement of precision-guided weaponry. Here, finding the target is the crux of the problem. Reconnaissance satellites can be classified as photographic reconnaissance satellites, electronic reconnaissance satellites, missile early warning satellites, marine surveillance satellites and nuclear explosion detection satellites. Among the various reconnaissance satellites, the photographic reconnaissance satellites have the earliest development and the largest number of launches. They are the major undertakers of reconnaissance and surveillance missions in space and are called “clairvoyant eyes”.