防空区内雷达的探测范围的英文

defense area radar coverage

• 防空:    air defense; antia ...
• 区:    H region; H
• 内:    inner; inside; wit ...
• 雷达:    radar
• 的:    4次方是 The fourth po ...
• 探测:    survey; search; so ...
• 范围:    scope; limits; ext ...