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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.Another main technology to prevent SYN attacks is to adjust TCP/IP protocol stack and modify TCP protocol implementation. The main methods include SynAttackProtect protection mechanism, SYN cookies technology, increasing the maximum half connection and shortening the timeout time. The adjustment of TCP/IP protocol stack may cause some functions to be limited, and administrators should do this work on the premise of full understanding and testing.小杰是一名常驻横店的群众演员，因为在剧组入戏太深导致当场晕倒，再次醒来的小杰，惊奇的发现自己已经身处“小太阳精神病医院”了，但是小杰对自己是正常人这件事情深信不疑，于是便在医院成立了“越狱三人组”，组团逃跑组内的主要成员包括正直青春的呆萌佛系少年西瓜和“老骥伏枥”的情场高手张大爷。 小组成立后很快三人就进入了逃跑模式，可是就是在一次精密的逃跑被捕后，小杰惊奇的发现自己的队友都消失不见了，同时自己多出了一本日记本。 于是小杰翻开了自己的日记本，不可思议的事情发生了，小杰竟然回到了日记所指的时间轴里。。。伴随着小杰蝴蝶效应的开发引发了一连串不可思议的故事。没徇过私？他一个朋友都没有，家人徒步来会稽，连官家的车都不坐……还真有这样的人？。能亲眼目睹妖怪怨灵的阴阳师（竹中直人 饰）是每一集故事的联结者，他是大阴阳师的后裔，却生活落魄。他行踪飘忽，所到之处总会伴随着各种各样灵异事件，他总是尽自己的能力去解开谜底、破除恶鬼。某夜，他做了一个可怕的噩梦，第二天发现噩梦竟然成真。随着事件的发展，一个个阴谋逐渐浮出水面。他慢慢发现，所谓的灵异现象，其实正是人们自己一手造成的……