某种意义上，存在着两个重叠的新闻集团。
密集部署的集团军区域防空体系，各防空群火力范围相互重叠，火力关系复杂。
Firepower scopes of many air defence groups are overlapping, and firepower relation is complicated in densely-deployed group army regional air defence system.
密集部署的集团军区域防空体系，各防空群火力范围相互重叠，火力关系复杂。
Firepower scopes of many air defence groups are overlapping, and firepower relation is complicated in densely-deployed group army regional air defence system.
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