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不过河朔草原上，匈奴的实力尚不充足，需要有待补充，无力对南发动进攻。五年前，苏筱涵与萧墨两人相爱，学校却里传出萧墨与大明星顾菁订婚的谣言。苏筱涵与萧墨并未表心音，加上“证据确凿”的谣言，苏筱涵毅然离开，5年内毫无音讯。苏筱涵本是设计专业的学生，去了法国以后，开始学习深造，这5年也获得了不少的奖项。最近一个自称是老许的人找到苏筱涵，给她提供了一次参加BRD珠宝设计大赛的机会。 苏筱涵从法国回来，来到茗钻坊珠宝公司以后，发现公司老板正是萧墨，而当年的师妹禹萌萌、师弟元昊也在茗钻坊公司。当年苏筱涵离开后，萧墨尝试过寻找苏筱涵，可是并没有结果。因为当年的一个承诺，萧墨开办了茗钻坊珠宝设计公司，而苏筱涵此番回国，也是萧墨和元昊的计划。苏筱涵心存芥蒂，表示自己回国只是为了BRD大赛。萧墨也决定把复合计划从长计议。某国外以收买国内腐败高官为经营手段的犯罪团伙。因内部分赃不均，致使该团伙成员佟兵将一份可以致许多国内腐败高官于死地的绝密档案窃走。佟兵欲以高价将此档案卖给内地一犯罪团伙，不想被技高筹的内部犯罪团伙头目，身披集团公司董事长外衣的丁吉常所杀，档案被掠。 佟兵同父异母的哥哥佟凯是一家晚报社的记者，电脑游戏高手。他偶然从佟兵存在他家的游戏光盘里看到了这份密档。并将其中的部分内容告诉了省报政法记者方可……等他走后，田遥呆呆地站着，心里空空的，又有些如释重负。要说读书我是没你们能耐，可打猎我还是成的。Polylactic acid (PLA) is a new bio-based and renewable biodegradable material, which is made of starch raw materials proposed by renewable plant resources (such as corn). Starch raw materials are saccharified to obtain glucose, then glucose and certain strains are fermented to produce high purity lactic acid, and polylactic acid with certain molecular weight is synthesized by chemical synthesis method. It has good biodegradability, can be completely degraded by microorganisms in nature under specific conditions after use, and finally generates carbon dioxide and water without polluting the environment, which is very beneficial to environmental protection and is recognized as an environment-friendly material. This thing is actually a long piece, and then "curled up" in it and wrapped in a cylinder shape. What's the use? You will see it in a short time.