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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).解忧公主在乌孙同翁归之间真挚的爱情，与冯嫽亲如姐妹的友谊，让她在险恶的后宫政治斗争当中一次次化险为夷。解忧公主最为可贵的是她用自己的大爱、宽阔的胸怀赢得了乌孙人民的敬佩，也让匈奴人在西域的势力得以消减。　　讲述三个妓女逃走并面临追杀，但因为犯过很多罪，三人也无法向警察寻求帮助，于是……“她们的计划是：再多活5分钟”。I still made a set of poison. I feel that the damage is enough. The rocket grass will burn myself. . .叶枫和路上相识的画家年华俩人开始了艰难的旅程。Netflix提前宣布续订《女子监狱》（Orange Is The New Black）第三季13集。Public delegate void DoSth (string str);