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Differences between simple factories and factory methods: Simple factories and factory method patterns look very similar, especially specific factories in simple factories and factory methods. Simple factory, all things have been done in one place. However, the factory method creates a framework for subclasses to decide how to implement it. For example, in the factory method, the OrderPizza method creates a general framework to create pizza. The OrderPizza method relies on the factory method to create specific classes and make actual pizza. It is possible to decide what the actual products manufactured are by inheriting the factory. Simple factories do not have this flexibility."I remember we had a very clear division of tactics at that time, First, adjust all the automatic rifles in hand to semi-automatic shooting mode, Of the 15 men, apart from the gunners and the bazookas, Most of the others use '81 bars', There are also a small number of 63 types, I'm using the 63, One of the characteristics of this gun and the 81-bar is that the single shot accuracy is especially good, Even better than '56 and a half', Much better than 56 Chong and some Mao Zi guns captured from the Vietnamese, At that time, in order to give full play to this advantage in precision, The company commander ordered us to use this tactic, The concrete implementation is to use heavy machine guns to suppress fire in hidden places, In addition to killing as many enemies as possible, If the enemy takes tactical actions such as lying down to avoid shooting, Then use machine gun fire to limit its movement range, That is to say, they are suppressed in situ, and then rifles are used to give full play to the advantage of high semi-automatic shooting accuracy, giving them "roll call" one shot at a time. This tactic is still very effective in dealing with the first and second large-scale attacks, with extremely high efficiency, and almost all the Vietnamese troops who came up were killed on the way to attack.孙铁派了鲁三带人在暗处保护，任凭他们自己玩。厭な子供 小日向文世 森口瑶子上海姑娘丽鹃嫁给了一个大学毕业后留在上海工作的东北小伙子亚平。亚平在丈母娘家的帮助下，在上海买了房子成了家。亚平在父母来上海前是个上海标准的普通的丈夫，对老婆嘘寒问暖，端茶倒水，小夫妻亲密无间，恩爱无比。但婆婆到来后，温馨的小家生活开始发生质变。婆婆传统思想严重，希望以自己的生活方式去影响改造上海媳妇，这些思想与丽鹃现代的生活方式完全冲突，婆媳之间的矛盾与日俱增，摩擦不断升级，俩人变得水火不融……在亚平的父亲因病住院后，婆媳之间因为利益之争而彻底决裂，俩人变得水火不融。即使在丽鹃为亚平生下儿子之后，婆媳关系仍然没有得到缓解。小家伙的一句“妈妈坏”将家庭推到悬崖边缘。丽鹃因怒失言，将亚平母子逼上无家可归的境地，亚平在其妈妈的鼓动怂恿下，丧失了理智，疯狂地将拳头砸向了丽鹃……十年前，老乔的女儿离奇失踪，随着女儿的失踪，老乔的生活只剩下送货糊口和四处寻找女儿的线索。而在老乔寻找女儿身影的背后，总有一双眼睛窥伺着他……