Since the single mode is instantiated only once, the first call returns an instance object of a. When we continue to call, the instance of b is the instance of a, so aa is printed below.
The main contents of this program:
两个儿时一起长大的朋友王哲和唐文生大学毕业后，一起坐火车回家乡东安市，两个人刚一下火车就向他们儿时玩伴魏东的家赶去。三个从小一起长大的伙伴，三种不同的人生际遇，三条迥异的生活道路。王哲初出茅庐，立志成为一名优秀的刑警。魏东误入歧途，他身上背负着一个不可告人的秘密。唐文生找工作屡遭挫折，他搞不懂为什么总是碰壁。在天恒和吴氏两大集团之间的争斗中，三个伙伴卷入一系列诡异的事件中。王哲调查其中的案件，发现魏东牵涉其中，唐文生也与案件当事人有着千丝万缕的联系，通过公安人员的缜密侦破，终于真相大白。经过历练后的王哲成为了一名成熟的刑警，唐文生回归了理性，魏东最终也为他的冲动付出了代价。
The newly trained classifier is compared with the previous classifier to estimate how much change has taken place. For example, you can perform a dark launch and compare two outputs over the same traffic. Alternatives include A/B testing and backtracking testing for a small portion of traffic.
故事讲述2074年，一场神秘的全球性灾难后，欧洲大陆解体为林立小国。各个“部落”为争夺大陆的统治权而相互争斗。三个兄弟姐妹凯诺、丽芙、伊利亚为了改变这片新的“欧罗巴”大陆的命运，他们被迫踏上征途。
堂堂大唐公主，为避父迫婚，连夜奔逃，流落龙蛇混杂的长乐坊，竟遇上一个令她刻骨铭心、甘愿为他赴汤蹈火的人……唐代升平公主冰雪聪明，文韬武略，却一直未能觅得如意郎君。皇上有见及此，遂安排她嫁予回纥皇子。升平不甘，决定出走逃婚，并辗转混入长乐坊，认识了郭暧。郭暧为人风趣，不拘小节，见识广博，与升平不打不相识。二人几经波折，患难见真情，终排除万难，入宫成亲。借宫中规条繁多，人事倾轧，婆媳关系，权贵白眼等等，都令二人误会重重。夫妇不和竟被奸臣利用，郭险遭抄家，最后被发配边疆。而升平则被迫再婚和番，究竟刚烈刁蛮的公主与生性不鞯的驸马能否破镜重圆？
这本来就不是你干的活计。
惠子和年轻有为的准外交官志摩信夫不由自主地相爱，却受到了重重阻挠，信夫的母亲是个傲慢的人，由于门第观念，她坚决不同意儿子和惠子交往，且经常从中作梗。惠子的生母为了维护自身名誉以及现任丈夫的事业，迟迟不认惠子，甚至在丈夫的逼迫下要求惠子和信夫分手，以成全丈夫与前妻所生的女儿。惠子的生父为了达到吞并别人的目的，不择手段，甚至连自己的女儿、妻子也成了竞争的工具，赌博的筹码……
每一次有声响发出来，都好像是尹旭的军队冲了过来，完全就是一种煎熬，心头始终悬着一把尖刀，随时可能掉落下来。
At present, Li Runze has cancelled all performance plans, resigned as a director, and held a press conference to apologize and admit all mistakes, but refused to admit rape charges.
This is mainly due to the change of automation. All industries have a broad technical base, from entry-level hardware support to advanced corporate development. If you don't consider the technical level, there is no way to formulate a business strategy for the company, so information technology has participated in the development strategy and is extremely effective in designing and guiding business objectives.
? ? ? We separately install:
刘想想梦回到大楚国成为将死刺客，并具备四次刺杀王爷穆春申的机会，失败则毒发身亡。为了完成刺杀任务，她先后变身为王爷府内丫鬟，侍卫及乞丐男孩，每当刺杀将要成功之际，都会出现让人措手不及的意外。而在与穆春申斗智斗勇的过程中，她逐渐发现穆春申的善良和责任感，并慢慢喜欢上穆春申。与此同时，她才意识到，这一刺杀任务的背后竟然隐藏着一段前尘过往……
驻守定陶的齐国守将是崔和。
II. Application Value of BIM Technology in Construction
八十年代梁鼎文（任达华饰）接过父亲梁恒（李立群饰）经营的梁记饼店，父亲梁恒和儿子梁家栋（冉旭饰）突发重病，台风灾难接踵而至，弟弟又惹下大祸，妻子宋曼琴（江珊饰）穷极无路，将梁家大屋卖给了觊觎大屋的苏耀庭。梁鼎文大怒将宋曼琴逐出家门，认为其受了苏耀庭之子苏林的蛊惑，宋曼琴悲恨离开。多年后苏耀庭离世，苏林与宋曼琴回到澳门，宋曼琴和梁鼎文因孩子抚养权的问题再生间隙。随着1999年澳门回归，梁鼎文带领一家人历经磨难，日子步入正轨。几年后梁舒（董洁饰）、梁家栋、陈小帅（董晨饰）这几个孩子都已长大成人，大陆建筑设计师文扬（邓飞饰 ）因工作原因寄宿到梁家，文扬与梁舒暗生情愫。梁记出现竞争对手，梁舒助梁记渡过了难关。大澳集团突遇破产危机，苏家梁家为此四处奔波，两家终于冰释前嫌，苏林也归还了梁家大屋房契。台风的到来让梁鼎文与韩雅琪（柯蓝饰）患难见真情，终于喜结连理。转眼间澳门迎来了回归二十周年，梁舒文扬同年举办婚礼。
1. Improper site selection and unprotected water resources, and there was nothing I could do in the face of this year's drought. One of my uncle's families planted more than 20 mu of rice and collected more than half of it. In those days, I inquired everywhere about buying a sprinkler for emergency. In the end, even if I bought a car, I had no place to pump water. It cost a lot of money to pump water and burn oil. In the end, I did not necessarily save my life. Finally, I had to give up.
