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恭喜啊杨公子。对于葡萄牙战舰来说，港口的堡垒却是固定目标，虽然同样是极限距离，但他们有数百门大炮，总有能形成有效打击的。B) It is suggested to start from a simple scene and discover or design a certain pattern by yourself. From this, you can understand how the model solves the problem. In this way, the model becomes your own thing, and you will not have the problem that it is easier said than done. All design patterns are just the application of basic principles and concepts in specific occasions. You may not know the name of a design pattern, but you know all its advantages, disadvantages, variants and applications. Seeing mountains is not mountains, seeing water is not water.FOCUS Focus(1) We are now writing a work log every day, writing down the daily work records and the problems that have occurred and solving them truthfully, and writing down the weekly work summary.否则就是我越国后方松动，对战局的影响会对我们很不利。Good book!