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核试验科教记录片。是自人类发明原子弹、氢弹以来的各种核爆炸记录，采访了许多美国参与核试验的专家，非常珍贵的第一手资料。著名的“小男孩”（广岛）和“胖男人”（长崎）就在这里，不可不看！ On July 16, 1945, at a site called Trinity, a plutonium bomb was assembled and brought to the top of a tower. The bomb was detonated, producing an intense flash and a fireball that expanded to 600 meters in two seconds. The explosive power was equivalent to 18.6 kilotons of TNT. It grew ...。《军工记忆》系列电视纪录片紧紧围绕弘扬“自力更生、艰苦奋斗，军工报国、甘于奉献，为国争光、勇攀高峰”的军工精神这一主题，以军工重大武器装备型号研制为叙事背景，推选一批亲历或见证这些重大历史事件的军工人讲述其亲身经历和难忘故事，挖掘并传承军工人的精神财富，以小见大反映国防科技工业从无到有、从弱到强的发展历程和伟大成就。。Watch never-before-seen footage from the Battle of Normandy, one of the most violent military campaigns in history. Follow Allied soldiers from the beaches on D-Day through a three-month inland march to liberate French cities from Nazi occupation.。