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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:16. Os.path.join (path, name)--Connect directory and file name. Example:亲朋故交，所有人的命运都承受着前所未有的考验……1982年至1986年在NBC播出的《霹雳游侠》曾十分热门。老版中，DavidHasselhoff扮演的游侠驾驶着人工智能跑车KITT惩恶扬善，让80年代的电视迷记忆深刻，如今游侠的儿子MikeTraceur将带领他的朋友和全新的奈特工业3000号跑车重回荧屏，继续与邪恶作斗争。Sarah是斯坦福大学哲学博士学位的候选人，一天她从KITT那得知他的爸爸Charles失踪了，于是她和KITT启程去寻找她儿时的玩伴兼前男友MikeTraceur，并说服了Mike帮她一同寻找Charles以及隐藏在这背后的真相。After executing the command to add rules, look at the INPUT chain again and find that the rules have been successfully "appended" to the end of the INPUT chain. Now, the first rule indicates to discard all messages from 192.168. 1.146 and the second rule indicates to accept all messages from 192.168. 1.146. What is the result? Practice shows true knowledge. I used the ping command to send a message to the 156 host again on the 146 host, and found that the ping still failed. It seems that the second rule did not take effect.1 The figure shows 0 storage destruction damage, 74.9 w. The picture shows the damage of full destruction (there is no entry with 10% damage of power), 85.5 w. The three pictures show 104.1 w of damage full of destruction (2 more entries with 10% damage under the condition that any other entries remain unchanged).在下于汉王曾经有一面之缘，汉王认得在下，子房先生也就可以疑窦尽去了。