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我科于1977年6月,对79名参加改制40火箭筒实弹射击训练者进行了调查。79名均为男性,年龄在17～38岁之间,17～25岁者占96.5%。训练时正副射手互相配合,各射击实弹3枚,干部及卫生员、通信员各射一枚。在训练后14～25天内进行了病史询问,耳部及听力检查,并对70名患者进行了治疗。
In June 1977, our department conducted a survey of 79 participants who participated in the restructuring of 40 rocket firearms. 79 were men, aged 17 to 38 years old, 17 to 25 years old accounted for 96.5%. During the training, deputy archers cooperated with each other and shot three live ammunition rounds, each of cadres and health workers and correspondents shot one each. Medical history, ear and hearing tests were conducted 14 to 25 days after training and 70 patients were treated.