Visitor mode is to encapsulate some operations applied to a certain data structure. Once these operations need to be modified, the data structure that accepts this operation can be saved unchanged. Visitor mode is suitable for systems with relatively stable data structures. It reduces the coupling degree between data structures and operations acting on data structures, making the set of operations relatively free to change. The specific structure diagram is as follows:
(a) Level 3 qualified fire fighting facilities maintenance and testing institutions can engage in fire extinguisher inspection, maintenance, replacement of fire fighting agents and recovery activities authorized by production enterprises; The first-level qualification and the second-level qualification of fire fighting facilities maintenance and testing institutions can be engaged in building fire fighting facilities testing, repair and maintenance activities;
厌倦了亲人们的争吵，何悄然来至东莞，寻找当年的恋人。谁知旧情人早已作别人世，只留下一个儿子阿辉（林子聪 饰）。何将阿辉带回香港，此举更加激化了家中的遗产之争……
A man who told me to be a mature adult
鲁三在旁看了暗笑。
一个魅力十足的漂亮女孩被许多男人甚至有妇之夫爱慕和追求，但这也似乎为她惹来了麻烦，一个年轻优秀的男子出现在她身边并处处针对她
正是他引了周康大军到彭蠡泽，项梁才会有机可曾，在会稽起兵。
We first went to the village committee and obtained the consent of the leaders of the village committee. With their assistance, we arranged a row of tables and stools in the courtyard. Two sphygmomanometers were placed on the table, flyers were posted on the wall, banners were hung and flags were erected. Teacher Zhao informed the villagers to come to the village committee on the radio. After everything was ready, we waited for the villagers to arrive with leaflets, brochures and questionnaires. After the announcement was broadcast, villagers came soon. The students greeted them with smiles, handed out knowledge books to the villagers, explained scientific knowledge to the villagers, and conducted a questionnaire survey. Since most of the villagers could not read, we all asked them one question at a time. It may be easy to do one survey, but it takes great patience to do many. In addition, the villagers generally speak local dialect, and some students have some obstacles in communication, but we have all overcome various difficulties. Some of the students are handing out leaflets, some are answering villagers' questions, some are doing investigations, and some are measuring blood pressure for villagers. The teachers are even more integrated with everyone, and they can no longer tell who is the student and who is the teacher. Gradually, the number of villagers increased, and everyone was even more busy. Look at this lively scene: there are investigations, leaflets, interviews, blood pressure measurements and photos-everyone is really busy! In this way, we successfully completed the task of the first stop.
Query Time Interval
After review, the fire protection technical service institution no longer meets the qualification conditions, or has violated the provisions of Article 47 and Paragraph 1 of Article 50 more than three times within the validity period of the qualification certificate, shall not go through the renewal procedures.
美丽聪慧的女大学生倪好毕业就来到某律师事务所，在这里，倪好遇到了时尚知性的女律师徐慧中。同是个性率真的两个人一见如故惺惺相惜。尽管一个25岁，一个52岁，年龄的差距并没能阻拦两个人成为无话不说的闺蜜。虽然徐慧中是倪好的上司，但在二人独处时，嬉笑打骂百无禁忌。一次戏剧性的“偶遇”，让倪好结识了大学讲师满意。尽管现实中满意的个性和倪好心目中理想对象南辕北辙，但屡屡的“不期而遇”和“出人意料”的惊喜让倪好渐渐对满意倾心。一次海誓山盟之后，二人闪婚登记。而满意竟然是徐慧中的儿子，原本想暗中牵线的徐慧中也因满意和倪好的闪婚让自己措手不及。一切来得太突然，一切却又无法改变，姐妹转眼间变成婆媳。但这并没有改变徐慧中和倪好二人的闺蜜关系，婆媳感情有增无减，嬉笑怒骂依旧百无禁忌。家中，退休的公公满堂洪和儿子满意主持日常家务，加上无边童趣的奶奶那娜，一家人生活的其乐融融。但是，家庭生活并没有完全往倪好的理想状态发展,婚后，满意的毫无个性的个性渐渐暴露。生活了无情趣，工作上也不思进取。
NBC电视台正式宣布经典LGBT题材美剧《威尔与格蕾丝》重启季将于2017-2018秋季档回归，该季将拍成10集。艾瑞克·麦柯马克、黛博拉·梅辛、西恩·海耶斯、梅根·莫拉莉四人都将回归。他们每人都曾因此剧至少收获一个艾美奖。此前一直担任《威尔与格蕾丝》导演的詹姆斯·伯罗斯也将回来执导本季。
4. Every two people played one match,
梁山伯出身平民，家道中落，幼时父亲因治水身亡，由母亲抚养成人。他性格耿直，憨厚笃诚，一心继承父志，经世济人。在去杭州尼山书院的路上遇到女扮男装的祝英台，两人意气相投，结为异姓金兰。在书院三载，又与英台“日同桌，晚同床”，相互照应，情深义厚。
该剧的第一季将聚焦于三位第一夫人米歇尔奥巴马、贝蒂福特和安娜埃莉诺罗斯福的个人与政治生活，她们对美国领导层的重塑具有启示性的作用，此前维奥拉戴维斯曾被宣布将扮演前第一夫人米歇尔奥巴马。
警视厅搜查一课长第三季
一九三七年，鄂豫皖大户王其美得儿子被人偷走后二十年没有音讯。警察局长燕飞收服本领高强的飞贼龙马，派龙马冒充王其美之子进王家，刺探王其美勾结日本人罪证并锄奸。不料王家少爷却在此时回家，令龙马陷入危局。真假少爷激烈角逐之际，真相浮出水面：龙马才是真正的王家少爷。当年燕飞为夺取王其美的稀世珍宝，偷走龙马用以对付王其美，后来又勾结日本人，让儿子骗取父亲的珍宝。龙马父子一步步走出骨肉相残的险境和接连不断的迷局，并在共产党人的帮助下，保住珍宝不落日寇之手。共产党人的坚定信仰和巨大牺牲，让龙马感受到他们为之奋斗的新中国的含义。在其感召下，龙马主动将珍宝献给新中国。
李南恩是个小镇姑娘，从小热爱中国传统文化。大学毕业后到了英国爱丁堡大学学习建筑学，并阴差阳错进入了“高级动物研究社”。此研究社正在开发一套具有跨时代意义的生态建筑系统名为“空中花园”，而研究社的灵魂人物周尔文 是一个高冷学霸，致力于研究生态环保和建筑的融合。两人互是对方眼中的冷血鳄鱼和恼人鸟，成为冤家。周尔文不仅对南恩的才能有质疑，她推崇的中国传统建筑理念也得不到周尔文的认可，总是高木在一旁当和事佬。经过一段时间的相处和磨合，他们发现各自的理论共通融合以后对“空中花园”有极大益处。毕业后，社员们归国创业，过程中遇到了重重阻碍，但他们越战越勇，通过所学理论，结合国内环境，因地制宜，最后获得巨大成功，带着中国梦，把中国文化下的成果带出了国门，颠覆了全球建筑行业。
In Cihai, the classification is explained as follows: "Classification: Classification according to the characteristics of things: Book classification classifies and files documents."
