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The above is only a model of "Long En" bicycle, If you need to generate other types of bicycles, Other subclasses can be written. The most important advantage of factory mode is that some of the same methods can be implemented. We can write code in the parent class for these same methods. If we need to implement specific business logic, we can rewrite the parent class's methods in the subclass to implement our own business logic. In terms of professional terms, there are two points: First, weaken the coupling between objects and prevent code duplication. Instantiating a class in a method eliminates repetitive code. Second: Repetitive code can be written in the parent class. Subclasses inherit all member attributes and methods of the parent class. Subclasses only focus on implementing their own business logic.CCTV News (Focus Interview): The goal of "Two Hundred Years" is not only the grand blueprint for China's development, but also the call of the times for China to move forward. In General Secretary Xi Jinping's 19th Congress report, the "two hundred years", especially the goal of the second hundred years, has been given new connotations. The original goal of building a prosperous, democratic, civilized and harmonious socialist modern country by the time New China is founded 100 years ago is defined as "a prosperous, democratic, civilized, harmonious and beautiful socialist modern power". A word has been added here, beautiful. One word has been changed, powerful country. Obviously, the requirements of the new goals are even higher. Not only that, the task of achieving new goals is also heavier. The new second century goal is divided into two stages. The first stage is from 2020 to 2035. In 15 years, socialist modernization will be basically realized. The second stage is from 2035 to the middle of this century, striving for another 15 years to finally build our country into a prosperous, democratic, civilized, harmonious and beautiful socialist modern power. So, how should we understand this far-reaching strategic arrangement for the development of socialism with Chinese characteristics in the new era?《洗冤录》着于宋代，是法医史上的惊世巨著，其作者却是一个饱受歧视的棺材遗腹子。30岁以前，他一直靠打更为生，不料一宗命案改变了他的人生……因分地纠纷而找村长理论的宋慈与劫富济贫的江湖女贼唐思意外地卷入了谋杀村长的案中，被判死刑，后得到新知县宋翊及熟悉验尸的马贵相助，沉冤得雪。宋翊聘宋慈为忤作，两人合作屡破奇案，声名大噪。唐思因宋翊救命之恩，暗生情愫，但宋翊已与聂枫发展感情。这时一名长相与宋翊一模一样的人突然出现，原来假宋翊为求功名，将真宋翊推下山崖冒名顶替，做起了知县；后又攀附权贵，抛弃聂枫而娶富家女蓝彩蝶为妻，岂料蓝家早已外强中干，负债累累。假宋翊感到彩蝶是他的负担，故设计陷害。其奸险面目渐渐表露，但他每次行凶时均非常谨慎，都要彻底毁尸灭迹。宋慈无计可施之际，意外地发现了真宋翊的尸体，经过艰苦地调查取证，在唐思和聂枫的帮助下，最终惩戒了凶手，伸张了正义。The second season of "Charming China City" has been upgraded completely, "Charming China City? The establishment of the" City Alliance "and the official launch of the" Charming Card "program mean that there is a broad prospect for the deep integration of culture and tourism, and the sustainable development of the city will also usher in a new breakthrough. CCTV's combination of boxing to help the poor through tourism shows the sense of responsibility and mission of the national big station.? ? Distance.这对他来说绝对是一件好事。向我们揭示了二战时纳粹背后的“阴谋”。纳粹有深厚的玄学背景，大部分以北欧神话为基础，纳粹正是用这套东西煽动了日耳曼民族的集体激情（其实就是暴力倾向了）。这部片子的内容也就是关于纳粹内部的故事的。