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Rebel fighters run for cover in front of an antiaircraft gun during an air strike in Ras Lanuf March 7, 2011. 2011年3月7日，在拉斯維拉夫鎮(zhèn)發(fā)生的一起空襲中，利比亞反叛軍士兵跑向一架高射炮前以躲避爆炸。
Results Using the established mathematical model, with some data of an antiaircraft tubes, critical crack and initial permissible crack size of the antiaircraft gun tube were worked out. 結果利用建立的數(shù)學模型，結合某高炮身管的有關數(shù)據(jù)，計算出了該炮身管的臨界裂紋和初始允許裂紋尺寸。
Taking the fire control system of a certain antiaircraft gun as an example, the TABU work flow is introduced, and the principle and construction of the information flow model is described. 以某高炮火控系統(tǒng)為例，介紹了列表尋優(yōu)法的工作過程，闡述了信息流模型的原理與構建。
權威例句
An antiaircraft gun decorated with a Hezbollah flag stands at the gates of Bint Jbeil. NPR: Dip in Violence Lets Bint Jbail Residents Regroup