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The signal attenuation of 100 meters cable is the same. Therefore, the influence and effect of temperature on signal attenuation is far greater than many other fixed factors.A5.1. 3.1 Hearing function test: whisper test.原来一切都是他想错了，如果小龙女是一个无趣的人，这个世界上恐怕就不会有有趣的人了。由插画家盖彼亲自改编原创作品并自编自导全新网漫风格网路剧，为都会男女解开爱情困惑，更有渣男与闺蜜之间不能说的那些Now, let's imagine why these "checkpoints" are called "chains" in iptables. As we know, The purpose of a firewall is to match "rules" for passing messages, Then execute the corresponding Action, So, when the message passes through these checkpoints, You must match the rules on this level, However, there may be more than one rule on this level, But there are many rules, When we put these rules in a chain, A "chain" has been formed. Therefore, we imagine each "checkpoint" as shown in the following figure. In this way, it is more appropriate to call them "chain". Each message passing through this "checkpoint" must match all the rules on this "chain". If there are qualified rules, the corresponding actions of the rules will be executed.大革命前夕，广东省某偏远小镇，出身大户人家的小姐沈梦苏（李小萌饰）和渔家出身的自梳女陈桂，受来镇上宣传新思想的富豪人家子女欧阳春晓的影响，为逃避各自不幸的爱情和婚姻而来到广州。陈桂进入工厂做了缫丝女工，沈梦苏在欧阳春晓的帮助下进入坤雅女子中学读书，在新学校里，梦苏如饥似渴地学习新文化接受新思想的洗礼和熏陶，认识了青年教师、共产党员麦秋实（王雷饰）。从此，三个不同出身、不同性格的年轻女性与麦秋实等人一起，经历了省港大罢工、广州起义、白色恐怖等革命斗争的暴风骤雨。在坚守连接粤港澳和江西苏区交通线的过程中，这群青年经历了血与火的考验，面对危险、背叛、误解，最终沈梦苏和麦秋实一起坚定了信仰，踏上了战火连天的新征途。某日，索家坟路口发生一场自行车被撞、受害人无端失踪、肇事车辆逃逸的交通事故，随后事故科科长刘博率警员，在技术科长顾湘的协助下，对这起肇事案件进行了曲折离奇的追踪调查。受害人廖建斌逃逸并意外死亡使得追踪线索一度发生中断，事故目击证人哑女瞿木瞳的浮出水面，使得案情得以有所发展，按照她提供的重要线索，事故科警员一步步将怀疑的目光聚焦在了刑警队长唐国栋和他的白色桑塔纳上。缜密的取证和调查，是否能证明唐国栋的肇事嫌疑？还是现场另有其人？谎言千遍终成真理，还是真理却掩盖在谎言之中？真正的肇事者究竟是谁？