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"Their attack capabilities are becoming more and more complex and elusive, and it is even difficult for security personnel to find out which IT stacks are their targets," she explained.We can see the above code; Player-to-player coupling code has been removed, However, all logical operations are put into the intermediary object for processing. Any operation of a certain player does not need to traverse to notify other players, but only needs to send a message to the intermediary. The intermediary processes the message after receiving it, and after processing the message, the processing result will be fed back to other player objects. The intermediary mode is used to remove the coupling code between objects. Make the program more flexible.Archie漫改剧《河谷镇 Riverdale》讲述的是现代故事，保留了阿奇漫画原著中的角色设定，讲述Archie﹑Betty﹑Veronica还有他们的朋友一起在小镇上探索奇异事件。其实张良与项伯彼此熟识，尹旭本想说从项伯处得知，但想着英布等人就在旁边，张良在短时间内很可能见到项伯，岂不快会被拆穿。(1) It is suggested to make a material bag by yourself. Named "A", it is ranked at the front with some commonly used materials inside.