利比亚的反对派称他们的战士正从他们曾经控制的区域执行一项“战术性撤退”，这是卡扎菲武装力量不断骚扰他们的结果。
Libya's opposition said its fighters are executing a "tactical withdrawal" from a swath of territory they once controlled, a move that comes as Gadhafi's forces relentlessly pound them.
波音公司将完成车载激光武器的设计，然后在重型扩大机动性战术卡车上安装并评估一个光束控制激光瞄准系统。
Boeing will finish designing the truck laser weapon, and then build and evaluate a rugged beam-control laser weapon sight system on a heavy expanded mobility tactical truck.
表现出一定运用战术能力的熟练性和合理性，遇到对手紧逼防守时，能够很好地控制比赛，选择有效的进攻战术。
Show some ability to use tactical proficiency and rationality, encountered opponents pressing defense, able to do well in control of the game, select effective offensive tactics.
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