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Elevation symbols are up, down, text on the left and text on the right. A dynamic "block" created below solves these four forms.6. Standardize service, technology, promotion and operational guidelines to make all operations simple and fast and reduce labor costs.他瞧我们抬水费事，他又闲着，才帮一把，你以为他对你格外好？你做梦呢。我们热爱的科学怪人们又回来了！2012年9月27日，万众瞩目的《生活大爆炸 第六季》终于在美国电视台开播。在这一季里，四个天才依旧过着他们轻松又爆笑的宅生活，同时，更多的难题和困境需要他们来面对和解决。在上一季的结尾，霍华德（西蒙·赫尔伯格 Simon Helberg 饰）和伯纳黛特（梅丽莎·劳奇 Melissa Rauch 饰）终于完成了他们的婚事，在这一季中，他们能够同霍华德那火爆的老妈在同一屋檐下平静生活吗？雷纳德（约翰尼·盖尔克奇 Johnny Galecki 饰）和佩妮（凯莉·库柯 Kaley Cuoco 饰）分分合合，旧情复燃的他们面对的依旧是曾经导致他们分手的老问题。拉贾（昆瑙·内亚 Kunal Nayyar 饰）依然形单影只，而谢尔顿（吉姆·帕森斯 Jim Parsons 饰）和艾米（马伊姆•拜力克 Mayim Bialik 饰）的恋情真的没问题吗？总之，天才们回来了，快乐的生活还在继续。Bridging mode is to separate things from their concrete implementation so that they can change independently. The purpose of bridging is: Decoupling abstraction and implementation, So that the two can be changed independently, Like our commonly used JDBC bridge DriverManager, when JDBC connects databases, it switches between databases without moving too much code or even at all. The reason is that JDBC provides a unified interface, each database provides its own implementation, and a program called database driver is used to bridge. Let's look at the diagram:Section = entry point + notification, the popular point is: when, where and what enhancement to do!