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别以为我不知道胡镇摔马是怎么回事，还有治病的事，把个混世魔王耍得团团转，一些儿亏也不肯吃，哪里又是什么良善之辈709，是一个研究超自然现象的秘密机构，它的使命是研究科学不能解释的事件，查明这个世界的真相。新人特工金木水和拥有超能力的女特工董灵奉命调查1934年辽宁某地的坠龙事件，二人通过时空门回到1934年，欲解开历史上真实坠龙事件的背后真相，两人却发现自己陷入重重危机之中。哼，你们这群异端等着吧，电视剧中盈盈必定是女主角。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.Luo Jian, Founder of Spark Thinking: "In the early days, the organization of the online thinking ability track, Basically, they have independently developed live broadcast systems, Therefore, the entry threshold for this track has been further raised. For entrepreneurs who still wish to enter this track, in addition to the construction of the teaching and research system and the polishing of the course content, it will also be essential to have a self-developed live broadcast system, because the use of a third-party live broadcast system will have a relatively poor user experience, which is not conducive to the perfection of their own courses and services, and the market competitiveness is relatively low. "小家伙的一声呼喊分外甜蜜。第5期Blu-ray/DVD收录的新作插曲。各自成为前篇·后篇和连续了的小故事。