1·Both vehicles have limited armour protection against small calibre weapons.
这两款车对有限的小口径武器的装甲防护。
2·In the paper, the necessity of the application of an optical system to the laser simulator for small calibre naval guns is discussed.
本文分析了光学系统在小口径舰炮射击激光模拟器中应用的必要性。
3·It is the newest Fire Control System for turrets that integrate small to medium calibre weaponry.
这是塔楼与中小口径武器相结合的最新火控系统。
4·Since the double-ridged horn antenna owns many seductive characteristics, such as ultra broadband, relatively small size, high calibre efficient and gain etc.
由于双脊喇叭天线不仅具备超宽带特性，还具有体积小、增益和口径效率高等优点，因此本文选双脊喇叭天线作为所要设计的超宽带天线。
5·Police say the sisters, 29, were practising with small-calibre guns at an outdoor shooting range south of Denver for 90 minutes before the incident happened.
警方说事件发生前，29岁的孪生姐妹正在丹弗南部的一个室外射击场练习小口径手枪。