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白发老者默念一声，长长叹了口气，显然勾起心中太多惆怅。自由摄影师赵泽瑞(张文骏饰)与前女友程琳(李金莎饰)分手后整日沉迷花丛，不料一天一夜情之后醒来，发现自己变身成了大美女(孙莉娅饰)，回到家急急忙忙向自己同居的好朋友黄新(袁伟龙饰)证明自己的身份……故事讲述数学小天才罗克穿越到由数学博士Y统治的数学荒岛，并利用数学知识帮助大家与“黑暗统治”做斗争的故事。In addition, As Zhang Xiaobo said, On the front line at that time, Wearing or not wearing a helmet is a "choice", Because Vietnam is located in Southeast Asia, The climate is hot and humid, Helmets are heavy and airtight, Wearing it is very easy to cause heatstroke, Particularly in fast maneuvers, This is the easiest way to do strenuous activities such as running. Therefore, in order for the troops to fight more efficiently, There would be no mandatory order for everyone to wear a helmet, If you don't want to wear it, you can choose to wear a cloth cap with eaves. So in the vast majority of relevant historical photos, Among our troops participating in the war, The highest percentage of helmets is worn by artillery, It is mainly used to defend the fragments of enemy artillery and various hard objects brought up by explosions in artillery warfare. Even some border militiamen wore helmets in large numbers, On the contrary, the impact is at the forefront, Infantry units carrying out a large number of mobile combat missions are rarely worn, Investigate its reason, It is for the infantry troops to carry out large-scale interspersed operations frequently. Exercise is enormous, It is really inconvenient to wear helmets, This approach has both advantages and disadvantages, It is not good to judge right or wrong here, but when facing such a horrible "killer bee" on the ground on 149, it is regrettable and regrettable that the heavy casualties caused by the low wearing rate of helmets have to be said. If they had worn helmets instead of military caps like Zhang Xiaobo, the casualties caused by the sting attack of "killer bee" would have been much smaller.Personal SFC rom collection download hereFour, the setting and the actual effect do not conform to the素谨难堪地说道：表哥，姨母死在这，要怎么解释？田遥木然道：不解释。