air-defense exercise
常見例句
- 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.
為期八天的演習(xí)正在南海舉行,雙方的海軍都將進(jìn)行海上監(jiān)視,防空和反潛戰(zhàn)演習(xí)。
www.etiri.com.cn - 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.
【據(jù)華盛頓技術(shù)2007年11月16日?qǐng)?bào)道】 美國國防部日前宣布,L-3政府服務(wù)公司日前獲得價(jià)值1.36億美元合同,為美國空軍提供理論、培訓(xùn)以及演習(xí)支持。
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