Creates an object from its specific subclass. Q: How can it be realized? Answer: To create abstract classes derived from factories, that is, specific factories create specific products. Since products are to be created, product abstract classes and specific product classes are naturally needed.
I nodded at this passage, Understand that what Zhang Xiaobo said is indeed reasonable, It is not a lie, Here I think it is necessary to give you one thing about popular science. So we have to say something digressive: The result of a real bullet hitting a petrol tank is not the same as that shown in most movies. One shot can explode the petrol tank, But this is not the case, Although a pure metal projectile will rub against the air at a speed of hundreds of meters per second to generate equivalent heat, And will produce sparks after hitting the metal oil drum, But none of this is enough to ignite petrol, Especially for gasoline with a large total amount, to ignite gasoline, please remember one thing-open flame must be used. In addition, gasoline is a flammable item, but it is not an explosive item in the true sense. Only after reaching a certain total amount can explosion be caused. If the total amount is insufficient, it can only cause combustion without explosion.
Through the study of singleton mode, we are told:
1938年，皖南白龙湖畔徽州县城。城外枪炮隆隆，满城人心惶惶。日本兵即将进城。该剧讲述了“黄梅戏头牌青衣”季素如何从纯真的女孩成长为一个坚强的母亲的故事。
《了不起的儿科医生》讲述了新一代年轻人在“儿科医生”这个特殊岗位上成长与奋斗的故事。本剧通过一个来自丽江的女孩焦佳人以儿科为舞台、在带教老师普外副主任医师邓子昂严格而又细腻的培养下，从一名专培医生成长为一名合格儿科医生的经历，向观众展现医生，尤其是儿科医生最真实的状态。
条生活在海洋里的马鲛鱼被渔网捕捉，而后被困在了一家海鲜餐馆的水箱里。从那以后她不屈不挠地寻找逃脱的方法。跟水箱里其他来自渔场的鱼不同，悲观的怀疑论者“老比目鱼”也生长在大海。作为水箱里幸存时间最长的一条鱼，他凭借其生存之道控制着其他的鱼。对他而言，马鲛鱼试图逃出水箱的举动已经对他的统治构成了威胁。
史蒂芬搬进了一栋新的公寓，急需安装有线电视。不久，电视安装员杜哲来了，他那怪僻的行为着实令史蒂芬费解。但是杜哲是个极为幽默的人，更重要的是，他还给史蒂芬装了“免费”有线电视，这使史蒂芬觉得与之有话好说了。一次，他俩一起去有线电视发射塔上聊天，其间，杜哲知晓了史蒂芬的女友洛萍正在与他闹矛盾。
本片讲述了在捕蛇村长大的小树，因为善良救下一只小蛇，取名“小花”。多年后，小树成为生物科研员，探寻基因的秘密，而别有用心的同事却利用小树，闯入捕蛇村的禁地——食人岛，岛上水汽弥漫，静谧又诡异，似乎有一双眼睛在盯着闯入者的一举一动……
4: Fake fabrics are hard and really soft. This is the hard injury of fake fabrics, and so is NIKE elite socks.
If the power key is not released for 3 seconds, continue the HOME key for 10 seconds, then release the power key and continue to press the HOME key for 15 seconds, the recovery mode will be completed.
张梦一（徐洪浩 饰）的父亲是一名消防员，在一次执行任务时英勇牺牲。父亲的光辉事迹深深影响着张梦一，长大后，他决定走上和父亲相同的道路，成为了滨江特勤中队的中队长。在队里，张梦一意外邂逅了曾经的青梅竹马江涛（杨舒 饰），后者的身份是特勤队的指导员。两人因为教育理念的不同而产生了激烈的矛盾，气氛十分紧张。与此同时，张梦一还要想方设法对付手下一批不听指挥的新兵蛋子们，其中，富二代出生的富强（赵荀 饰）尤为难缠。张梦一爱上了名为叶璐（张慧 饰）的美丽女子，而叶璐竟然是富强同父异母的姐姐。这段恋情让张梦一在队里的处境更为复杂。
Neal Caffrey（马修•波莫 Matthew Bomer 饰）是一个英俊迷人的犯罪大师，4年前因为一宗伪造国债案被联邦调查局的死对头Peter Burke（蒂姆•迪凯 Tim DeKay 饰）送进了监狱。Neal因为挚爱Kate（萝丝•拜恩 Rose Byrne 饰）的突然离去，毅然选择了在刑满释放的前夕逃狱。Peter在当天就抓捕了Neal，为此Neal的刑期又多追加了4年。Neal为了自由也为了早日找到Kate他顺利利用自己犯罪大师的优势成为了FBI的特聘顾问，并且成了死对头Peter的搭档，俩人合体屡破奇案。Neal由于戴着GPS脚铐，行动受到限制，所以他暗地里让自己的老搭档Mozzie（威利•加森 Willie Garson 饰）帮他寻找Kate的下落。扑朔迷离的真想慢慢展开，一切充满了阴谋的味道。
Third, practice deliberately and turn good speech rules into habits.
(five) the operator has obtained the professional qualification certificate for firefighters of buildings (structures) above the intermediate skill level, of which at least 30% are above the advanced skill level;
当第二季开始时，Rayburn一家人正竭力掩盖他们的严重罪行。一些Danny过去认识的神秘人突然出现，带来了一个危险的阴谋。执法部门继续调查Danny的谋杀案，他们距离真相越来越近。妄想和不信任导致Rayburn一家人曾经团结和睦的家庭关系彻底破裂。谎言堆积如山，盟友遭到背叛，人际关系被毁，所有人都被逼入绝境。在绝望之中，好人也可能干出非常邪恶的事情。
蒯彻已经无可奈何地接受了韩信的固执，既然三国联合没有可能，那么齐国就需要另外寻求道路。
In fact, we can also modify the "default policy" of the specified chain. Yes, it is the default policy marked in the following figure.
鬼马AI少女遇上傲娇男明星，一场娱乐圈阴谋下的爱恋成长，一对人工与智能对决下的欢喜冤家。
Generally speaking, Nagoya's subway route is developed and not particularly complicated. Although it is not very cheap, it is not expensive and has no edge. It is very convenient to go anywhere with more than one kilometer and one stop.
