当防守方的优势火力迫使敌方广泛“掘壕”，以牺牲机动性来获得防护力时，就会发生堑壕战。
Trench warfare is resorted to when the superior firepower of the defense compels the opposing forces to "dig in" so extensively as to sacrifice their mobility in order to gain protection.
“指挥官可以更好的指导战场上的现状，更好的用孕他们的资源，无论是在人员、火力、机动或者后勤保障上，”他说。
"The better commanders know what's happening on the battlefield, the better they can apply their resources, whether in people or in firepower or in mobility or in logistics support," he said.
在英国，重装甲保护的“步兵坦克”被用来给步兵提供机动的火力支援。而较轻型的“巡洋坦克”被用来替换已经明显过时的骑兵。
In Britain, well armored "infantry tanks" were developed to provide the infantry with mobile fire support, and lighter "Cruiser tanks" were developed to replace the obsolete Cavalry.
依据此模型对双方火力控制区的变化进行预测，最后给出了海上机动目标威胁预警仿真系统的实现思路。
By the model, the change of mutual firepower control sections is forecast; finally it provides a thought of realizing the threat precaution simulating system of maneuver targets on the sea.
你的人进退两难。但是守军却有全部的机动性，有数量上的优势和火力上的优势。
Your men are stranded. The defenders have all the mobility, the numerical superiority, and the firepower.
现代空战效能主要由信息、机动和火力三大要素决定，军用航空综合体的效能评估应反映三要素重要度的变化和相互关系的变化。
The effectiveness evaluation of the air force aero-complex reflects the changing of the magnitude degree and the correlation of the three factors.
BARC飞行摩托赋予单个克隆人士兵更大的活动范围，更快的速度、更好的机动性和更强的火力，而这些是徒步士兵不具备的。
The BARC speeder gave a single clone trooper increased operational range, great speed, mobility, and firepower otherwise unavailable to the foot soldier.
美军试图以火力加机动的标准战术，把德国人赶下山头，控制整条道路。
Using standard fire-and-movement tactics, the Americans managed to drive the Germans beyond the ridge and over the road.
但是守军却有全部的机动性，有数量上的优势和火力上的优势。
The defenders have all the mobility, the numerical superiority, and the firepower.
机动时最重要的是速度，因为机动的目的往往是为了避免被敌人发现和遭到敌人炮火及飞机火力的攻击。
Speed is essential, as the purpose of moving is often to avoid being located and attacked by enemy artillery and aircraft.
现在需要的是一种更轻、更可靠、能在沙漠里快速机动同时又骆驼所缺乏的具有强大 火力的车辆。
What was needed was a lighter more reliable car that could move swiftly and carry the additional fire power that the camels lacked.
现在需要的是一种更轻、更可靠、能在沙漠里快速机动同时又骆驼所缺乏的具有强大 火力的车辆。
What was needed was a lighter more reliable car that could move swiftly and carry the additional fire power that the camels lacked.
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