The observer mode defines a one-to-many dependency relationship, allowing multiple observer objects to monitor a certain topic object at the same time. When the state of this topic object changes, all observer objects will be notified so that they can automatically update their behaviors. The specific structure diagram is as follows:
只能如此了，虽然我们尽可能地避免和齐国开战，可是到了避无可避的时候，只能够如此了，有时候也需要一点冒险。
《三三两两的恋爱》主要讲述了少女心职场女精英三三,和百变率性网红美少女两两,两个性格迥异的女生,因血缘关系住在同一屋檐下,在见证了对方的爱情和生活之后,对自己原本兵荒马乱的生活有了些感悟。
费尽艰辛终抵大沙漠后，Jackie一行人于一次意外无意发现了藏金基地，而就在他们欣喜若狂之际，一个神秘大汉突然出现，一场生死博斗遂即展开。
剑锋颤动，杀气外露。
Grandma Lily quickly wiped away her tears and tried to calm down.
一九三一年初，一位误打误撞成为间谍的商界奇才关郁达(后化名韩山)。在经历了被追杀、与新婚妻子(左小青饰)生离后，化名打入日本特务机关。再次与妻子重逢，因使命在身无法相认。当军统特务方堃(吴刚饰)爱上妻子后痛不欲生。在大爱与小爱的抉择中，这位中共特工凭借惊人的毅力和超乎常人的智慧与敌人展开了殊死斗争。在胜利前夜，用鲜血换来了亲人的理解和谅解。
Source source = new Source ();
走，我们去看看绿菠妹妹。
In the third episode, Zheng Fangxian, president of Shanghai Education Examination Institute, and Ye Zhiming, professor of Shanghai University, were invited to interpret the new college entrance examination plan implemented in Shanghai in 2017. What kind of objective, rigorous and scientific considerations does the new college entrance examination plan reflect? How will it affect basic education and higher education? What kind of talent view and training objectives does the new college entrance examination plan contain?
一切都处理妥当后，她站起身，默默打量周围，茫然地想，她是不是该走了？这个人，哪怕对她再好，可是他掳走了她，害得爹娘着急，哥哥们放下手头事带人来追，还因此死了许多人……她再不能糊涂了。
Channel 4正式预定120分钟时长的单集剧《援助/帮助 Help》[暂定名]，Jodie Comer和Stephen Graham确定主演。 本剧由《黑暗物质》编剧Jack Thorne撰写，《第三天》导演Marc Munden执导。剧集将聚焦在第一波新冠疫情中受到极大冲击的英国护理中心。 故事发生在利物浦一个虚构的护理中心，讲述了护理中心一名年轻工作者 (Comer)和一位病人 (Graham)，两人的生活因春季爆发的新冠疫情而永远改变。 Sarah很聪明，但在学习和工作中一直都不合群。家人认为她注定一事无成，但她意外地发现在阳光护理中心做一名护理员，是自己的使命所在。Sarah十分善于和护理中心的居住者沟通，尤其是47岁的Tony。Tony患有早发型阿尔茨海默病，大脑逐渐退化，这让他不得不住进护理中心。疾病导致他产生间歇性困惑和突发暴力行为，其他员工都难以应对，但在Sarah的照顾下，他开始逐渐与她交心。Sarah在护理病人上的成功，帮助她重拾了自信心。 当2020年3月新冠疫情爆发，Sarah所取得的一切成就都遭到了质疑。她和同事们在装备不全、准备不足的情况下，竭尽全力地抗击着疫情，而当局却似乎并不在意他们。坚定不移的Sarah想方设法保护着自己负责护理的人们，这些人的病情使得他们在面对折磨和孤独感时，更加痛苦。但护理中心员工们的坚持、不懈努力和无私奉献，起到的作用十分有限，Sarah被逼入了绝境，迫切想要找到一条出路。 英国护理院在此次疫情中受到的冲击尤为严重，超过1.9万名的居住者因新冠死亡。护理院是英国目前实施最严格封锁措施的地方之一，因担心在脆弱人群感染，居住者无法以任何重要方式见到所爱之人。
柳德焕在剧中饰演韩国大学特聘法医韩振宇，按照剧情设定，第四季结束后韩振宇将在京畿道附近的深山中过着隐居生活，在该系列中，案件乍看起来都是完美的自然死亡或事故死亡，但唯有法医韩振宇火眼金睛，能从谜一般的杀人案中寻到线索，拨开层层迷雾，找到案件的真相。
第八季在丰富节目形式与内容的同时，力求延展社会价值表达空间。节目中，观众不仅能看到今天各行各业的奋斗者对美好未来的向往与奋进之心，也将深入感受人与人携手并进的合作态度会如何助力构建和美的幸福生活。
奇人欧阳德穿怪服，说怪话，怀怪艺，行怪事，又用奇怪兵器铲除邪恶之徒，人称“怪侠”。福郡王为掩饰儿子淳贝勒的恶行，请来扶桑忍者追杀了解真相的秋官，秋官逃命时跑进一间破茅屋。正当忍者准备对秋官不利时，手持旱烟杆，反穿皮袄，头戴瓜皮帽，倒骑着木驴的怪侠欧阳德出面解围。阴险狡诈的福郡王爷又派了一位扶桑女忍者"花九娘"前去暗杀秋官，欧阳德出面保护。彭朋到达三河县上任后，不畏权贵，秉公执法，怪侠欧阳德带领杨香武、黄天霸等一班侠客协助彭朋惩恶除奸，断案破案，大快人心！
Industry 4.0 proposed by Germany has three major themes: first, intelligent factories, focusing on intelligent production systems and processes, and the realization of networked distributed production facilities; The second is intelligent production, which mainly involves the production logistics management of the whole enterprise, human-computer interaction and the application of 3D technology in the industrial production process. The third is intelligent logistics, which integrates logistics resources mainly through the Internet, the Internet of Things and the Internet of Services to give full play to the efficiency of existing logistics resources.
大苞谷道：要比咱们去海上比，那才是小弟擅长的。
Operators also hope to continuously improve radio performance. In addition to higher throughput, operators also hope to make improvements in other fields, such as higher sensitivity, increased cell coverage, improved anti-interference, and better connection quality. Combining multi-RAT and multi-band while continuously improving performance is a huge design challenge. However, since it is extremely difficult to propose improvements in these fields with existing solutions, wireless providers usually use solutions with lower integration.
可是，如今这温泉却惹了麻烦了：好些权贵都想买前面山地。
First of all, the 10,000-hour exercise must be targeted, with feedback and correction, but it will become mechanical repetition. The seeds sown did not grow into towering trees, but only got a pile of weeds.
