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一位是三次参战的军曹，一位是新来的上尉，在他们的带领下，一支美军突击队在越南的战场为生存而战斗。本片讲述美军一个敢死连某排在越南战场上的各种经历，越南战争是美国历史上历时最长的战争，越战期间，一般美军士兵都要到越南战场服役一年。　　轟動武林，天地蒼茫論英雄。国内某大学奇葩学生郝帅，贾率既是关系很好的朋友，又是死党，生活中处处作对，又在关键时刻互相帮助，在大学里面他们遇到了各种奇葩的事情，两大奇葩又做出了让你啼笑皆非无人意料的事情。古生物学专家秦晓风的父在前往昆麦山寻龙时不幸殒命，秦晓风为查明父亲被害的真相与猎人火爷，机关高手叶毓灵，共同踏上寻龙之路。就在秦晓风以为捕到龙就能查明父亲身死之谜时，却意外发现了之前生物考察队员的尸骨，竟有子弹穿过的痕迹！面对越来越多的疑点，秦晓风彻底置身迷局。父亲死亡的真相、捕龙队深陷的危机，背后仿佛有一只手，正一步一步地将秦晓风推向无底的深渊。2. Chinese translation is different.The execution results are consistent with the previous code, but the benefits of using the state mode are obvious. It can localize the relationship between each state and its corresponding behaviors, which are scattered and encapsulated in their corresponding state classes, making it easy to read and manage the code. In addition, the switching between states is distributed within the state class, which makes it unnecessary to write too many if, else conditional branch languages to control the switching between states.