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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).北漂青年祖波是一名程序员，他热爱自己的工作，平时的生活异常简单，除了工作就是呆在“包租婆”波妈慧芳在北京早年购置的房子里钻研写代码。祖波平静的生活，却被波妈的一通电话打破，他被告知广东老家的三叔公要来北京暂住他家，波妈还再三强调，要好好接待三叔公。虽然祖波早已对这位远方亲戚没了印象，但还是做好了准备，推着轮椅去车站接“老人家“。没想到波妈口中的三叔公，其实是一位和祖波同龄的年轻人，只是因为辈分高，成了“叔公”。祖波开始还有些抗拒，在听到叔公也是“程序员”的时候，他放下戒备，带着叔公回了家。允教授的妻子又生了一个小女孩，3岁的俊熙（宋承宪 饰）和父亲到医院看望妈妈和妹妹时顽皮地将妹妹与旁边摇篮里的婴儿换了过来，一段误会就此展开。十四年过去了，俊熙已经长成了一个翩翩少年，妹妹恩熙（宋慧乔 饰）也十分聪明可爱，家境的优越使得两兄妹成为学校了令人艳羡的对象。与恩 熙同班的新爱（韩彩英 饰）因为父亲早逝，而哥哥却游手好闲，全家只有靠母亲一人独立支撑的餐厅过活，生活艰难。新爱一直十分嫉妒恩熙，一天她故意报复恩熙，被俊熙发现，恩熙不想将事情闹大而赶去制止哥哥和新爱理论时，被一辆货车撞倒了。在医院里，继续输血的恩熙被查出了并非允教授夫妇的亲生女儿，经过调查，原来新爱才是允教授的亲生女儿。新爱知悉了这个秘密，来到了允家认亲生父母。虽然养母京河十分不舍得，但恩熙为了不让母亲难做，回到了新爱那个艰苦的家，由此展开了她的另一段人生……There are three classic splitting strategies:分工安排之后，众人分头准备，子夜也被送去附近的安全地带等候，小丫头秀眸红肿，失落地离去了。Woboni Sharing Test Method: