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抽刀的声音传来，侍卫怒道：你敢再向前一步？书生大笑：不上前就是了。Quick Search随即当着众人的面打开白绢，展示给众人，一个硕大的战字赫然展现在众人面前。苏南素有“敢为天下先”的优良传统。上世纪八十年代以来，苏南人民紧紧抓住了“率先发展乡镇企业”、“呼应浦东开放，扩大对外开放”两次重大的发展战略机遇，实现了跨跃式发展。当前的沿江开发无疑将成为苏南面临的第三次重要的战略机遇。抓住了这一战略机遇，实现国际产业转移与苏南加快工业化进程相结合，将有力提升苏南整体经济的层次和水平，加快形成国际制造业基地，进而增强苏南在整个长三角地区的竞争力。Creates an object from its specific subclass. Q: How can it be realized? Answer: To create abstract classes derived from factories, that is, specific factories create specific products. Since products are to be created, product abstract classes and specific product classes are naturally needed.Strategy mode: Pay attention to the encapsulation algorithm, support the change of algorithm, and replace the algorithm independently of the customer at any time by encapsulating a series of algorithms.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.