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As can be seen from the figure, the whole process is divided into 4 situations. The following will analyze these 4 situations in detail through practice, including why they are divided like this and how to classify and exclude other more situations.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).故事发生在十八王朝的埃及。14岁的艾卡莎是一位天真俏皮的埃及公主，因为皇家传统规定而与王子-图坦有了婚约，年轻的王子与公主虽然都极力反对，仍无法抵抗父母的命令。 某天，艾卡莎的父王也宣布他即将迎娶新王妃，这个消息让艾卡莎更加难以接受，于是她决定穿越沙漠，寻找住在遥远绿洲的母亲，而倒楣的图坦也莫名其妙地被卷入这场出走计画。郑氏点头道：所以说，这《女诫》所述的柔顺、曲从等，都是大又深意的。　　赵小赵意外获知宁馨同叶凡关系，大喜过望，认为是同老对手叶凡斗法三百合的绝佳机会。同时，一个虚拟中的美妙女子神秘出现，凄楚的身世让赵小赵对其大为同情并发生爱恋。本文讲述了电脑博士吴树新在盛天公司整理收购天球网站的资料。深夜，吴树新在公司利用黑客手法，窃走核心机密。在机场，他与一位长相酷似自己的人交换机票，登上了另一班次的飞机。几小时后，女律师萧洋登上去盛天公司总部的飞机。盛天公司董事长黄敏主持会议，讨论收购天球网站事宜，一旦收购成功，她将成为大陆首富。