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Structural patterns, as the name implies, discuss the structure of classes and objects and are mainly used to deal with the combination of classes or objects. It includes two types, one is class structure pattern, which refers to the combination of interfaces or implementations by inheritance mechanism. The second is the object structure mode, which refers to the realization of new functions by combining objects. It includes adapter mode, bridge mode, decorator mode, combination mode, appearance mode, element mode and agent mode.1. Template method patternExpansion of information:雨中听说我爱你　　由卢洪哲和柳真担任主持，有明星与萌宠、哈哈乐园居委会等固定单元，也有哈哈乐园皓皓情侣、萌宠选美大会等特别单元。每期邀请三位家中养宠物的明星嘉宾，卢洪哲在节目中公开了自己与宠物驴洪七的日常生活，实际生活中养宠物的明星嘉宾们也携带宠物出现在明星与萌宠的短片中。中年男子米建山与七年前的情人孔琳旧情复燃，当他们又一次面对“离婚”这一敏感话题时，孔琳突然神秘死亡，与孔琳惊人相似的孪生姐姐孔莲突然回国，与案情有关的人接连遇害，疑犯越来越多，究竟谁，不在犯罪现场……It is very important for the selection of plants. Some plants have good stability and high color fastness, such as Dioscorea cirrhosa, persimmon, betel nut, turmeric, etc. Personal experience is that the stability of gardenia is not so good, and the color is easy to fade when washed too much. For reference only. In dyeing, try to choose some plants with good stability to dye, or carry out re-dyeing, which can stabilize the color fastness. For example, we use onion skin to cover with blue dye, and persimmons have higher color fastness after covering with blue dye, and basically will not fade. Of course, according to their own needs of color and luster, other cover dyeing can also be tried.