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Open the course of "Gem Processing Technology", It is found that it is based on "Gem Processing Technology" written by Professor Liu Ziqiang of Jewelry Department of Jinling Institute of Science and Technology. Including six aspects of knowledge-a preliminary understanding of some gemstone raw materials, Understand the names, characteristics and development history of different gemstone cut styles, understand some basic equipment and accessories for gemstone processing, understand the processing principles and technological methods of gemstones, see the processing process of standard round polyhedral styles, and learn the processing quality evaluation of gemstones (including jadeite).出生于90后的小艾（杨杏 饰）是正处在青春叛逆期的女生，她和大多数同龄人一样，抵御不了社会风气影响，常常迷失于感情之中不能自拔。她和迅仔（谢容儿 饰）一样，每日沉沦于夜店、酒吧、ktv中，渲泄着青春岁月中自认为过剩的精力。人生如一盘棋，一步走错步步错，而这种错的付出往往是影响一生的。她们在艺校的女追男精采生活中获得刺激与快感，坚定地在学坏的道路上一步一步走下去，印证了是90后就是脑残的一代。子怡（李艾佳 饰）为情自杀，迅仔与马明亮（戚圣捷 饰）为爱私奔。一系列事件，反映出光怪陆离的当下社会.....本片讲述了离家出走多年返乡的梁歌，发现患老年痴呆的父亲已不认识他，母亲也被父亲赶出了家门，家里还莫名多出一个企图欺骗父亲钱财的女骗子，为了解决家庭危机，梁歌和邻居们联手上演了一系列疯狂，幽默的搞笑事件！'j7 i (P4 [9 U; Q; Actor Jiang Dongyuan, who plays the real pro-democracy student Li Hanlie in the b. C movie, also wiped away tears frequently at the scene. I was deeply moved by this period of history. Before the performance, he also visited Li Hanlie's mother many times and paid tribute to her grave. He showed Li Hanlie's clothes and so on very attentively at that time. When he remembered that such a young life had passed away, tears kept flowing.家国家国，你既报效了国家，又兼顾了张家，又有何愧？林聪听得有些迷糊，是这样吗？秦枫见她还不能看透，再次开导道：若是你出手救助那些人，暴露了自己的身份，那时连命都不能保全，又怎能像现在这样为国尽力？对你爹娘爷爷他们来说，更是不孝，你又如何心安？林聪眼睛一亮，豁然开朗：对呀。一名政治领袖猝死成为警方的棘手案件，且看王牌警探塞图马·艾尔如何解开谜团。"Later things became more serious, The Vietnamese army attacked more than seven or eight times in a row. But it was almost halfway through the fire of the artillery group. Occasionally, sporadic ones escaped gunfire, Can't hide from our accurate shooting, Because the explosive power of the shells is very large, Apart from being killed by shrapnel at a long distance, It is normal for those who are closer to me to be blown to death without a whole body. At that time, because of the open terrain on our side, So the superior is more 'generous', In order to better understand the enemy situation and give full play to the terrain advantage of position 142, All the front-line officers and soldiers in our squad leader and above positions are equipped with binoculars, which is absolutely not treated in other positions. If other positions want to have their own binoculars, they have to be a deputy platoon leader. As a squad leader like me, I am still very proud to be able to observe the enemy's situation with binoculars.