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Ethernet also has preamble and inter-frame gap when transmitting. The preamble takes up 8 bytes (byte), or 64 bits. The first 7 bytes of the preamble are separated by 10101010, 1 and 0. However, the eighth byte becomes 10101011. When the host detects two consecutive 1s, it will know that there is data at the beginning. During network transmission, the data structure is as follows:曾经红遍亚洲的超模新星文青遥因为感情受挫，突然离开T台销声匿迹，一年之后，浪子青遥回来，发誓不再涉足模特业，这让青遥的经纪公司老板，也是青遥母亲的时尚界女魔头马锐无法接受，决定不择手段让儿子回心转意。来自偏远乡村的边庭花立志进入自己热爱的时尚圈，有朝一日接近心中偶像文青遥，偶然机会，她发现住在隔壁、落拓不羁的神秘男子，居然就是青遥！两人误打误撞成为了一对情侣。在经历了一系列笑中有泪的波折动荡后，青遥重返T台，最终与庭花牵手。Rubber smooth soft ball: This kind of ball is suitable for people with a certain basketball foundation, but it is not a basketball enthusiast with too strong strength. Due to its good hand feeling, it reduces dribbling pressure and shooting resistance. However, beginners feel stiff and easy to slip with this kind of ball, and easy to get rid of layups.一块也是爱，肯定好好更。The oil seller was not surprised. Kang Sugong asked, "Do you know archery? Don't I shoot well?" The old man said, "Nothing special, it's just practice makes perfect." After hearing this, Kang Sugong changed his face and said angrily, "Why do you despise my archery ability??" The old man said, "I can understand this truth from my experience in pouring oil." So the old man took a gourd and put it on the ground, covered it with copper coins, and slowly injected the oil into the gourd with a ladle. The oil was injected from the square hole of the copper coins without touching a drop. The old man said lightly, "I have no special secret either, but practice makes perfect." After hearing this, Chen Yaozi had to send the old man away with a smile.奈德•拉辛（威廉姆•赫特 William Hurt 饰）是一位油滑无能又好色的佛罗里达律师。在一场音乐会上，奈德邂逅了已婚名媛麦蒂•沃克（凯瑟琳•特纳 Kathleen Turner 饰）。二人的婚外恋情使奈德日益疯狂，他终于决定铲除麦蒂的丈夫，大亨埃德蒙•沃克（理查德•克莱纳 Richard Crenna 饰），帮麦蒂继承财产后远走高飞。命案发生后，奈德的好友，公诉律师皮特（泰德•丹森 Ted Danson 饰）和警探奥斯卡（J•A•普莱斯顿 J.A. Preston 饰）都反对奈德与麦蒂继续交往，同时不得不对埃德蒙•沃克之死展开调查。事态的发展越来越超出奈德的预料，他究竟能否信任麦蒂？For interface programming, a lot of changes that may occur in the system in the future can be isolated. Why? If the code is written for an interface, he can implement the interface with any new class through polymorphism. However, when the code uses a large number of specific classes, once new specific classes are added, the code must be changed. Violating the opening and closing principle.