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目前,世界上许多国家还都保留或装备着各种不同型号的老坦克,包括六十年代、五十年代、乃至四十年代的产品,如豹1、M60、M48、逊邱伦、M4、T54/55等。老坦克普遍存在着火炮口径小、威力小、火控系统落后、装甲薄、外廓尺寸大和行程储备小等缺点。因此,老坦克面临的一个紧迫课题是,迅速地改变落后面貌,提高战技性能,获得新生,以适应形势发展的需要。国外认为,通过修改或改造的途径,使老坦克现代化,确是一条缩短时间,又节约成本的行之有效的道路。
At present, many countries in the world also keep or equip various types of old tanks, including the sixties, fifties and even forties such as Leopard 1, M60, M48, T54 / 55 and so on. The old tank widespread artillery caliber, power, fire control system backward, thin armor, large size and stroke reserve shortcomings. Therefore, an urgent task facing the old tank is to quickly change the backwardness, improve its tactical and technical capabilities, and gain new life to meet the needs of the development of the situation. In foreign countries, it is indeed an effective and effective way to shorten time and save costs by modernizing old tanks through modification or alteration.