air-defense exercise

常见例句

双语例句

• The eight-day exercise is being held in the South China Sea, where both navies will conduct maritime surveillance, air defense and anti-submarine warfare exercises.
  为期八天的演习正在南海举行，双方的海军都将进行海上监视，防空和反潜战演习。
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• L-3 Government Services Inc. has won a ＄136 million contract to provide academic, training and exercise support to the Air Force, the Defense Department announced this week.
  【据华盛顿技术2007年11月16日报道】 美国国防部日前宣布，L-3政府服务公司日前获得价值1.36亿美元合同，为美国空军提供理论、培训以及演习支持。
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