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2. The coupling between the publisher and the subscriber is reduced. The publisher only publishes a message, and it does not care how the message is used by the subscriber. At the same time, the subscriber only monitors the event name of the publisher. As long as the event name of the publisher remains unchanged, it does not care how the publisher changes. Similarly, the seller (publisher) only needs to tell the subscriber (buyer) about the arrival of shoes, regardless of whether the buyer buys or not, or whether he buys other sellers. As long as the shoes arrive, the subscriber can be notified.保护伞公司在海底建造了逼真的模拟城市，并使用克隆人作为T病毒的实验对象，为了抵达出口，爱丽丝一行人必须穿越东京、纽约、华盛顿和莫斯科四座城市，而每座城市中，都有属于它的丧尸们在蠢蠢欲动。在某个超前世界，皇女琴子用智能远程人形武器处死了反日本皇族势力的头目群次。另一方面，现代世界中，狭间真的父亲猝死，这让真成为无依无靠的孤儿。 在这百般聊奈的日子里，一天放学真与好友琴莉分开后，遇到了来自另一个世界的自己，自称阵，并且要保护真。躲过了人形武器米可的一发袭击后，阵带着真逃跑，随后米可找到琴莉，宣称是琴莉的保护者。National key scenic spots. It is a barrier to the north of Quanzhou City, with an altitude of 498 meters and an area of 62 square kilometers. The main scenic spot is 3 kilometers away from the urban area. The wonder of Qingyuan is based on stones, and the spirit of Qingyuan is based on springs. Yuan people praised "the first mountain in Penglai, Fujian Sea". "Qingyuan Dingzhi" is one of the ten sights in old Quanzhou and has always been visited by tourists. According to Quanzhou government records, Qingyuan Mountain was first developed in the Qin Dynasty. In the Tang Dynasty, "Confucianism, Taoism and Buddhism" competed for land occupation and management. It had traces of Islam, Manichaeism and Hinduism and gradually developed into a famous cultural mountain with various religions. The scenic spot is full of flowing springs and waterfalls, strange rocks and caves, green peaks and trees, The cultural landscape dominated by religious temples, temples, literati academies, stone treasures, stone carvings, stone structures, stone carvings and other cultural relics is found in almost every corner of Qingyuan Mountain. There are 7 and 9 large stone carvings of Taoism and Buddhism in the Song and Yuan Dynasties, nearly 600 cliff carvings in past dynasties, 3 granite wood-like Buddha chambers in the Yuan, Ming and Qing Dynasties, and the pagoda of modern eminent monk Master Hongyi (Li Shutong) and Master Guangqin. Since ancient times, Qingyuan Mountain has been famous for its 36 caves and 18 scenic spots, especially Laojun Rock, Qianshou Rock, Mituo Rock, Bixiao Rock, Ruixiang Rock, Huruquan, Nantai Rock, Qingyuan Cave and Cien Rock. Among them, six Qingyuan rock statues in Song and Yuan Dynasties, represented by Laojun Rock, are listed as national cultural relics protection units.林聪将信接过去收好，一边点头道：你放心好了，我回去的时候，顺路往你家拐一趟就是了，又不远。红椒一想，可不是这样，她还真是操闲心。