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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:这是一个三代铁血军人的传奇故事。莽莽雪原之中，祖父钟楚国血气方刚，啸聚山林，高举义旗，加入抗联，与日本侵略军展开殊死搏斗，舍身跳崖，大难不死，欲血再战，壮烈殉国。父亲钟玉坤继承遗志，少年从军，驱除日寇，又战蒋军，纵横辽沈，挺进平津，跨跃长江，奔赴朝鲜，身经百战，成为我军一代高级指挥员。文革中与错误路线坚决抗争，身陷囹圄，不屈不挠，最终得以平反冤屈。孙子钟山子承父业，又披戎装，南疆前线，英勇作战，忍辱负重，历经磨难，不断战胜自我，最终成长为我军新时期特战部队中一名智勇双全的悍将。三代人均有着一段传奇的爱情经历，血与火相随，爱与恨相伴。生生死死，如泣如诉。在他们身上，凝聚着中华民族的浩然正气；贲张着中国军人的铁血精魂；折射着我军的光荣历史。这是一部家族史，更是一首正气歌！令人回肠荡气，久久难以忘怀……集万千宠爱于一身的北京女孩何琳，与北方农村考进北大的王传志走到了一起。直到——婆婆来了！她和她，争抢一个男人。她和她，争夺一个家庭。竹门对木门，婆媳生来是冤家。于是，有人离婚了，有人跳楼了。风凉话依然不绝于耳：想得开的想去，想不开的死去，女人就要为难女人。为什么总到最后一刻才明白：结婚不是两个人的事。Modern women are increasingly opposed to marriage. As can be seen from the big data, more than 73.6% of divorces are currently initiated by women.(Update 11.8)2. Peel off the network cable batch to see how bright the copper wire is inside. Generally speaking, if the network cable is made of recycled waste copper, or the copper used contains more impurities, the brightness of the network cable will be a little gray, just like the phenomenon that copper is oxidized. If it is a genuine network cable, its luster will be very bright, and it is six copper wires, each of which is so bright.During the DNS NXDOMAIN Flood attack, multiple queries will be made to the DNS server, making the cache of the DNS server store the query results of the attacker, eventually causing the speed of DNS resolution requests of normal users to slow down.