TCP is connection-oriented, and a connection must be established between either side before sending data to the other. In TCP/IP protocol, TCP protocol provides reliable connection service, and the connection is initialized by three-way handshake. The purpose of the three-way handshake is to synchronize the serial numbers and acknowledgement numbers of both parties and exchange TCP window size information. The process of shaking hands can be represented by the following figure
The following question: The fire truck lane should meet the requirements of disaster relief and evacuation, and its width should ensure that the fire truck can still pass after the houses on both sides of the main road are affected and collapsed. Reasonable planning, construction and renovation of fire lanes shall be carried out in the blocks. The width, spacing and turning radius of fire truck passages shall be required by relevant regulations of symbols to ensure the smooth flow of fire truck. Cities with rivers and railways passing through should take measures such as adding bridges to ensure the smooth flow of fire engines. Due to the needs of urban construction, when temporary excavation or occupation is necessary, the approving unit must promptly notify the public security fire supervision institution. GB50016-2006 Code for Fire Protection Design of Buildings 6.0. 1 The passage of fire engines should be considered for the roads in the block, and the distance between the center lines of the roads should not be greater than 160.0 m m. When the length of the building along the street is greater than 150.0 m or the total length is greater than 220.0 m, a fire lane shall be set up to pass through the building. When it is really difficult, an annular fire lane shall be set up. 6.0. 2 For buildings with closed inner courtyard or patio, when the short side length is greater than 24.0 m, fire lanes entering the inner courtyard or patio should be set up. 6.0. 3 When buildings with closed inner courtyard or patio are along the street, pedestrian passageways (stairwells can be used) connecting the street and inner courtyard shall be set up, and the spacing shall not be greater than 80.0 m m.. 6.0. 4 Facilities that affect the passage of fire engines or the safe evacuation of personnel shall not be set up on both sides of the fire lanes that pass through the building or enter the inner courtyard of the building. 6.0. 5 Gymnasium with more than 3000 seats, exceeding
老板，你快上网看看。
半晌摇头道：我是薄姬，不是什么玉娘，我也不认识你。
在上一季结尾，原分子病毒已经接管了爱神星并威胁到整个太阳系的安全。此刻，一个更大的控制原分子病毒的阴谋被进一步揭开。与此同时，联合国副秘书长Avasarala和火星军人Bobbie Draper正试图说出真相，阻止一场地球和火星之间的战争。而第谷空间站首领Johnson欲借此机会与地球和火星平起平坐。但是...神秘的生物已经脱离了控制...
CW宣布#邪恶力量##Supernatural#的第15季将是该剧的最后一季。
The International Basketball Association (FIBA) has a 40-minute match, divided into the first half and the second half, each with 20 minutes.
……一时之间，无数二三线的小明星、**大v、所谓的公众人物突然冒出来组团刷《白发魔女传》。
从小梦想着来上海的程韵（唐嫣 饰）终于进入上海某知名大学深造，同学朱迪之（隋棠 饰）也随她一起前往，两人和光蕙（刘冬 饰）成为了最好的朋友。光蕙因叔叔婶婶不离不弃的爱而感动，激发她对美好爱情的向往。迪之与邓初（纪焕博 饰）开始了一段浪漫的恋情，而程韵却与一同上课的写歌才子林方文（黄宗泽 饰）因各种误会而矛盾不断，在青春的岁月里彼此心生爱意。一次偶然相遇程韵认识了徐起飞，起飞的热心和体贴让程韵感动不已。程韵的不安全感因为林方文一次又一次爆发，不论是风情画家费安娜、妙龄女郎乐姬还是能歌会唱的葛米儿。迪之则为了爱情不断的追逐，光蕙为了父母渐渐接受孙维栋。程韵和林方文彼此逃离；迪之成全田宏的爱情选择放手，成全他人也成全自己；光蕙在结婚前夕逃婚去找安小禄，为爱奔走。追求爱情的同时亦不放弃面包，爱让她们的人生轨迹改变......
看到大敌人东瓯首领，袒肉投降，一种莫大的满足感和激爽弥漫在心头。
再次带着大家雄赳赳地奔赴赌场。
在第二季中主角们需要适应他们新的处境--狼人的统治和潜在的危险。虽然Klaus和Hayley发誓为了他们的女儿，他们要不惜一切的把新奥尔良变成一个安全的地方，但是他们两个还需要克服他们内在的恶魔。在女儿走后，Hayley会变得非常愤怒和抑郁，而在此刻最需要权利和能量的Klaus，却因为moonlight ring变得虚弱。Elijah会觉得被自己的家人孤立了起来，他会报复francesca和她统治下的werewolf，同时也会与Marcel以及marcel统治的vampire建立联系。尽管处于危险之中，Cami重新开始了她的学业，想要找回她遇到Klaus之前的生活。然而werewolf不是唯一的敌人。Klaus和Elijah没有想到的是，他们邪恶的父母回来了。他们的母亲Esther被自己对孩子们畸形的爱激励着。她有一个邪恶的计划-- 让她的家庭完整起来。
抗日战争时期，山东南部枣庄矿区以刘洪、王强为首的一批煤矿工人和铁路工人，不堪日寇的欺压和蹂躏，在中国共产党的领导下，秘密建立起一支短小精悍的游击队，他们“飞车搞机枪”、“血染洋行”、“智打票车”、“夜袭临城”、“打冈村”、“搞情报”、“夺布车”、“上济南”、“下徐州”，活跃在日军侵华战争的主要铁路命脉——津浦线的山东沿线，鼓舞了铁路沿线人民的抗战士气，有力地配合了主力部队的对日作战，老百姓称他们“飞虎队”，他们在八路军中的正式番号是“铁道游击队”。
司马欣接过来一看内容，不由暗自心惊，竟是诸侯联军的招降信。
C大校草欧阳曦在一次游泳比赛时神秘消失震惊学校，“迷妹”姜小梨按约定到欧阳曦家打工换宿，竟意外发现欧阳曦被雨水淋湿化作了一只猫的样子！为了让姜小梨替自己保密，欧阳曦无奈同意让姜小梨入住自己家中，二人正式开始了笑料百出又浪漫甜蜜的“合租生活”……
All Mary's choices are made by her parents. At the age of 34, she has been living in the rules, decent, stable and envied. The "true temperament" does not exist in her. She became thoughtless. Her marriage is a suitable match. She is very sensitive to know what the other party wants, and tries to stand in the position where the other party needs, become his filler, and manage the marriage as "a good relationship, but not a comfortable self".
