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One last thing on this subject, The 7.62 mm traced armour-piercing firebombs fired by the 81-1 family, Although the name is a little long, But compared with ordinary munitions, The difference is still well understood: Tracing and burning are simple, Is to add two corresponding drugs, The armor piercing is to replace the steel core behind the bullet's brass back armor (also known as bullet head) with a harder tungsten alloy core with stronger penetration to hard targets. The latter is also the tail-stabilized shelling penetrator used on the third generation of modern main battle tanks (abbreviation: APFSDS) is one of the two main materials (the other is the notorious, highly radioactive depleted uranium penetrator core, The user country is mainly the United States, while China mainly uses tungsten alloy penetrators, Less pollution and better performance, The United States does not need to. First, the United States does not pass the standard of tungsten treatment technology. Far from the level of our country, Secondly, the United States is a tungsten-poor country. It also wants to fully use tungsten alloy bombs, But it can't be used, But as a nuclear Power, There is a lot of depleted uranium as nuclear waste, so depleted uranium is selected as a substitute. As for tungsten alloy and depleted uranium, after putting aside the key additional condition of radioactive pollution, the pure question of who is better in armour-piercing performance is not directly related to this article, so it will not be described in detail).Next, we are going to implement the Validator class, which is used here as Context and is responsible for receiving the user's request and delegating it to the strategy object, as follows:Illustration of Event Delivery Mechanism七集电视连续剧《陈云在临江》由中央电视台、八一电影制片厂、中共吉林省委宣传部、白山市委市政府和临江市委市政府联合拍摄。它以丰富翔实的史料为基础，真实地再现了1946年秋至1947年4月“四保临江”的战斗经历。当时，国民党重兵进犯我东北南满地区。身为东北局副书记、东北民主联军副政委的陈云同志临危受命，前往南满领导军事斗争和主持地方工作。陈云同志精辟地分析形势，形成了“坚决粉碎敌人进攻、坚持南满根据地”的正确战略思想和作战方针。在历时108天的“三下江南”、“四保临江”战役中，彻底粉碎了敌人的图谋，扭转了东北战局，为我军由战略防御转为战略进攻赢得了宝贵时间，为辽沈战役的胜利奠定了坚实基础。该剧描述主人公Piper（Taylor Schilling）在大学里结识了一名毒贩，从此与她保持了长达10年的关系。警方破获了这起贩毒案，Piper遭到逮捕，被判入狱服刑一年。Piper的社会经验很少，面对糟糕的新环境有些不知所措。在联邦女子监狱内，她将第一次领略什么是「监狱文化」——这里有敌意，有包容，有眼泪，有欢笑，也有爱。她虽然得到了一群性格坦率的女囚犯的认可，但她的牢狱生活绝不会一帆风顺陈忠受美国秘密聘请捉拿泰籍毒枭，条件是保送儿子及小姨移民美国，陈及同行在行动中受到重创。在困境中，重遇美国爆破专家，为帮陈忠逃离，报答救命之恩，决定以死相助。陈桃花，是一个特别的女孩，也是春风镇无人不知无人不晓的风云人物，但她的特别，并不是来自於她本身，而是她那四个不论在外表出众的四个哥哥，他们四个每一个皆是女孩心目中的完美情人，但真正让他们声名大噪的，并不只是他们过人的优质魅力，而是他们对妹妹的过度疼爱……