The principle of opening and closing means opening to expansion and closing to modification. When the program needs to be expanded, the original code cannot be modified, but the original code should be expanded to achieve a hot plug effect. Therefore, a summary of one sentence is: in order to make the program scalable, easy to maintain and upgrade. To achieve this effect, we need to use interfaces and abstract classes, etc. We will mention this point in the later specific design.
2. Thrombolytic therapy for thromboembolic diseases is one of the common diseases endangering health. Thrombolytic therapy is the most effective treatment. Thrombolytic drugs are applied to the formed thrombus. Fibrinolytic activator is used to convert plasminogen into fibrinolytic enzyme, so that thrombus can be dissolved in time, local blood circulation can be restored, and the function of tissues and organs affected by thrombus can be improved. A large number of data show that only 30% can autolyze after thrombosis, and about 50% can persist and no longer develop. Therefore, thrombolytic therapy in thromboembolic diseases, the earlier the treatment, the better the curative effect, especially the early recovery of important organs related to life, such as brain, heart and kidney functions, has more significant clinical significance.
豪强为救豪杰中枪。唐英明得知后大怒，开枪打了豪杰，唐英明趁豪杰受伤决定让胡南带豪杰去香港戒烟，也好逃开巡捕的追捕。
电影《世上最美的离别》改编自韩国作家卢熙庆的同名原著及电视剧。卢熙庆因怀念自己因癌症去世的母亲而写就这本小说中刻画了一个平凡又伟大的母亲的一生。
泰国gmm25频道准备在AIS PLAY的第一个原创系列节目“Fai Bridge Club的桥梁”中进行大量组织，广播节目有8个故事。那可以说很痛！真的吗？
Wang Leehom
自己心心念念的情事，她未必会想那么复杂。
梁元，香溪镇啬夫，负责听讼和收税负。
影片改编自英国小说家达伦·肖的畅销小说系列《达伦·肖大冒险》。整个系列讲述了一个奇幻冒险故事，一名青少年在无意中打破了两个敌对的吸血鬼家族长达两百年的协定。随后他就掉入了幻想世界，见到了令人匪夷所思的马戏团杂耍怪胎和一些怪诞的生物。这名青少年就此从他无聊的现实生活中陷入了噩梦般的世界。十六岁的少年达伦（克里斯·马萨格利亚饰），拥有同社区其他孩子别无二致的生活。他和好朋友史蒂夫（乔什·哈切逊饰）都是成绩优异，从不惹麻烦的优等生。但是当他和史蒂夫偶然发现了一个怪诞旅行马戏团子后，达伦的身体内部发生了变化。
电影《小小家长》是一部由北京华影卫士影视艺术交流中心联合河南相见未晚文化文化传播有限公司出品，是田刚磊编剧导演“小小”系列三部曲的第二部作品，该系列电影分别是《小小校长》、《小小家长》、《小小团长》。影片中9位小主角均选自漯河市和临颍县，并且孩子们都是第一次出演电影。影片主要讲述实验小学郭校长看到现在家庭大多都是独生子女，非常娇生惯养，就在学校进行一次“小小家长”的活动。众多学生开始当家作主管理家务，才知道父母亲辛苦工作挣钱养育自己是多么的艰辛，小脾气有了很大的转变，此举也受到社会和家长们的欢迎。该影片2018年暑假在河南漯河拍摄，计划于2019年7月在全国电影院线上映。
The second scheme is to use proxy mode to write the following code for preloading pictures:
《逆缘》是一部由香港电视广播有限公司制作，黎耀祥、姜大卫、林夏薇、夏文汐等主演的香港tvb电视剧。
有一天,全世界各地的小朋友面前出现了一种不可思议的卡片.使用这种卡片,可以在一个特殊的格斗空间召唤出一种叫做爆丸的怪兽进行对战.主角是位叫做小弹的男孩,在对战中的卡片里召唤出巨大的爆丸「独角巨龙」进行对战后,得知爆丸们的世界开始崩坏,原来是一种叫做超级次元洛巴的状态,这种状态来源于一只名叫白龙的白色无属性怪兽进入了巴斯洛亚的沉寂核心,这样的情况也开始影响到人类的世界.小弹和同伴们为了拯救世界,展开了一场又一场爆丸对战.
杀手卡龙及斐娜都是改造人，率领改造人兵团在会议中心行刺马博士，未来警察周志豪与妻子美莉负责保护。双方激战之下，改造人兵团被消灭，但美莉亦被杀，卡龙之弟卡豹则死在周志豪手上，双方结下深仇！
《靴靴惹爱情第一季》剧情描述的是四个女人对应不同的鞋子象征四种不同的爱情，每个女人有两个纠结的男人，到底会选哪一位呢？
高、矮黑衣人的行动标志“梅花胸针”在打劫富家子弟李刚的过程中，高个黑衣人将行动标志“梅花胸针”遗失，被捡垃圾的犀利哥大麦捡到，大麦将这枚“梅花胸针”卖到饰品店，存在侥幸与碰运气的大麦去彩票店买彩票一搏运气。
此次营救困难重重，钟隐也曾有过最坏的心理准备。
At the end of the day, What had been piled up was much like a hill bag. Grenades, mines and explosive cartridges, I can't believe it's almost bottomed out. It hit three strange things closest to us. At that time, I remember that the visual straight distance was less than 10 meters. Two of them are just dog-like monsters, Another one is just the one covered in "blood bubbles", I thought I'd be done by killing them, Unexpectedly, after killing two dog-like monsters, The one with the "blood bubble" jumped up and jumped into the air, About less than 2 meters high, Then those "blood bubbles" on the body exploded in the air, Its body was also shattered in the explosion, Then a lot of sticky purple liquid spilled out of the blood bubble and its body. These liquids are all over the place, Then the smell grew stronger, At that time, I was exactly sure that the smell was emitted from this liquid. If it was only bad smell, it would be all right. What was more terrible was that it had serious consequences on the skin. I remember a soldier named Jiang Yong, because he was closest to it, he was caught on his left small arm by a liquid.
