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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).Chris Lee Endorsement: 2.5 Million RMB Every Two Years Zhou Bichang Endorsement: 1.8 Million RMB Every Two Years郑氏刚要说话，忽地瞥见婆婆身边伺候的丫头绿枝端着碗站在外边，说醒酒汤好了。Netflix宣布续订《亲爱的白人们》第二季！第二季一共10集，将于下半年开拍。该剧也是Netflix的高分剧，烂番茄新鲜度100%。NBC今年的新剧《盲点》凭借良好的收视，已经获得了第二季的预定，成为该季度第一部被续订第二季的新剧。把他抱到膝盖上坐好，紧紧搂在怀里，心里有种冲动，想跟这个四弟说说自己的心事，这件连板栗也不知道的心事。遂逃也似的飞奔进了帐篷。