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In real life, China's income tax is divided into enterprise income tax, foreign-invested enterprises or foreign-invested enterprises income tax and personal income tax. For these three types of income tax, each is calculated in a different way. Personal income tax has a personal income tax calculation method, while enterprise income tax has its corresponding calculation method. If we do not adopt the policy mode to realize such a requirement, we will define an income tax class, which has an attribute to identify the type of income tax and a CalculateTax () method to calculate the tax. In this method, we need to judge the tax type and calculate the income tax for different tax types through if-else statements. Such an implementation can indeed solve this scenario, but such a design is not conducive to expansion. If the system needs to add an income tax in the later period, it has to go back and modify the CalculateTax method to add an additional judgment statement, which clearly violates the principle of "open-closed". At this time, we can consider using the strategic mode to solve this problem. Since the tax method is the changing part of this scenario, we can naturally think of abstracting the tax method at this time, which is also the essence of the implementation of the strategic mode.国民党一支残余部队，为首的是国民党女子独立团的少校副团长欧阳君，企图与西疆部队汇合继续以人民为敌。欧阳君带领着百十人残部来到了号称“千里戈壁”的边缘地带。我军某师在追歼这股残匪途中，突然得到野战军的调遣，迅速支援淮海战役，郭师长令该师的侦察连组建了一支剿匪小分队，由侦察连连长尚自喜带队开展侦察，伺机歼灭这股顽匪。欧阳君带领残部继续作恶，过往的村庄被抢劫一空，在外打猎的青年村民们得知消息发誓报仇，加入了剿匪的行列。欧阳君为躲避追赶，分成三路人马向西挺进，其他两路人马都被我军的剿匪小分队消灭，欧阳君带领仅剩下的十多个匪兵仓惶向西逃窜，解放军侦察小分队乘胜追击……匪兵们在沙漠中饥渴难忍，此时我军侦察员赶到，果断地击毙了几个匪兵将其他人员擒获，欧阳君一看大势已去，拼命逃走，被赶来的白灵打死……[Latest] Amateur Weightlifting Series Teaching Video: Snatch and Clean and Jerk Tutorial Attached to London Olympic Men's 77kg Qualifying CompetitionCao Genxuan himself did not respond for the time being,得知大苞谷就是当年那孩子，老何媳妇转身对他磕头，感谢他给何家带来了孩子。Bai Jugang, born on November 2, 1993 in Jiangyou City, Mianyang City, Sichuan Province, is a male pop singer and film actor from mainland China. He graduated from the Vocal Music Department of Sichuan Normal University's Conservatory of Music with Grade 2012.《笑傲江湖》电视剧是边拍边播，一周播放两集，如果陈启想要下一部电视剧紧接《笑傲江湖》的档期，那么现在就需要开始筹备了。