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"When the two mountains were fighting, I have fought many battles, However, the most impressive one was the battle to defend position 149 during the July 12 War. I thought that the war was between people and people. I didn't expect to fight with animals here, not only animals, but also flying in the sky and drilling in the soil. If it weren't for the use of new shells to support us later, the position would have been lost. "大苞谷则振振有词，有时候还胡扯几句。To enter the flight simulator, do one of the following:The content of the website is stored on the source server, and the CDN is the cache of the content. Users are only allowed to access the CDN. If the content is not on the CDN, the CDN sends a request to the source server. In this way, as long as the CDN is large enough, it can resist great attacks. However, this method has a premise that most of the content of the website must be statically cached. For websites (such as forums) with dynamic content as the main content, we must think of other ways to minimize users' requests for dynamic data.I. Current Situation and Problems of Yayao Town