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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.Fire doors,　　崔秀妍的出现，带给了安娜希望，终于经历了误会挫折的一对恋人再度直面彼此。原来林志勋最初追求鹿安娜时并非出于爱情，而是为了救自己的母亲。然而隐藏在角落的赵平凡不甘心自己的毕生所爱得而复失，他发誓要不惜代价将安娜夺回。他暗中调查，抛出了一桩可以拆散林志勋和鹿安娜的秘密，却没想到事与愿违。他正打算拼个鱼死网破，没想到林志勋和鹿安娜却在他最危难时伸出了援手。曾经的挚友、昨日的死敌，居然又团聚一处，各诉衷肠心声。赵平凡终于大彻大悟，可他捅下的篓子越来越大。眼看林志勋和鹿安娜就要被殃及，他义无反顾挺身而出……(3) There are eleven behavioral patterns: policy pattern, template method pattern, observer pattern, iterative sub-pattern, responsibility chain pattern, command pattern, memo pattern, state pattern, visitor pattern, intermediary pattern and interpreter pattern.洛蕾塔·塞琪（桑德拉·布洛克饰）是一位才华横溢但与世隔绝的作家。在她的畅销爱情冒险小说里,总会出现许多奇异的地方。而作为本书的封面模特,艾伦（查宁·塔图姆饰）一生都在致力于展现书中英雄角色达什的个人魅力。在与艾伦一起宣传新书时,洛雷塔被一位古怪的亿万富翁（丹尼尔·雷德克里夫饰）绑架。这位亿万富翁坚信,洛蕾塔的新书能带领他找到失落古城中的宝藏。与此同时,艾伦为了证明自己可以成为现实中的英雄,而不仅仅是洛蕾塔虚构的人物,决定前去营救她。这对极不对付的搭档需要共同努力,才能在险恶的丛林中生存下来,并在亿万富翁赶到前找到古老的宝藏。杨长帆心里更苦，我真不想欺负你，你别哭，千万别哭。When a MotionEvent is generated, the system needs to pass it to a specific View. This passing process is the event distribution mechanism.