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该剧讲述想成为真正的农夫的年轻人们的青春、热情及其友情。(2) Market segmentation: In the "era of concentration", product spokesmen should also be detailed and spokesmen should be subdivided. Including the breakdown of gender, age, personality, nationality, etc. Different regions have different concepts, consumption patterns, consumption concepts, economic and cultural backgrounds and aesthetic methods. Stars have different influence in different regions.幼年时，林佳因家中变故被父亲林世渊独自一人含辛茹苦带大。林佳长大后格外任性，做事不计后果。林世渊意识到女儿的问题，为挽救女儿，将其赶出家门，让她从基层职工做起，接受社会锻炼与改造。失去富裕生活的林佳负气出走、流落街头，被北京胡同里土生土长的快递员陈曦所救。普通的百姓生活让林佳无从适应，更惹出重重祸事。面对齐心协力共度难关的陈家人，林佳心底的善良被激发。陈曦对爱情、家庭的责任感教会了林佳如何重新塑造自己，也带领林佳用劳动创造价值。陈曦在日夜相处中改变了对林佳的印象，两人就此相爱。而此时，林佳昔日男友黄在远再次出手欲重新追求改头换面的林佳，林佳的亲生妈妈也从美国衣锦还乡，并试图让林佳重新过上不用劳动的生活，林佳和陈曦之间的感情变得岌岌可危。最终，林佳克服重重阻碍，奋斗成长为对社会有用的正能量女孩，也收获了和陈曦的爱情。空军飞行部队模拟舱内，刘禅与赵宇航作为本届学员中的佼佼者，展开了部队模拟战“第一机长”之争，却不料两人因战术分歧造成失误并得到回炉重造的惩罚：在限期内，两人必须带出两支能打胜仗的全新队伍，否则他们将面临被开除的危险。可是，这届队伍也太难带了，更难的是，还要挑战女中豪杰学院第一女机械师——桃夭夭!As the name implies, the decoration mode is to add some new functions to an object, and it is dynamic. It requires the decoration object and the decorated object to realize the same interface. The decoration object holds an instance of the decorated object. The diagram is as follows:In order to facilitate testing and maintenance, there should be one or two grounding clamps (such as single row pins and annular metal pins) on the PCB, and the positions should be convenient for relevant testing.