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那是一个时代，几十万热血知识青年响应号召奔赴云南边疆。十年一梦，大返城的汹涌狂潮又把他们卷回城市。在边疆，他们抛下的不只是红土地，流沙河，橡胶林……还有他们的青春情怀和爱情结晶—孩子。于是他们中一些胆大的便呼群结伴，瞒着养父母偷偷踏上了开往上海的列车，去探究自己的生命奥秘，寻找生养了自己，又抛弃了自己的亲生父母。 　　然而，上海的亲生父母都有了新的家庭，新的儿女。千里寻父的孩子们哪里知道，他们的到来就像一枚枚炸弹，将给父母的家庭掀起多大的冲击波澜……白凡忙又起身，见过老侯爷。Human's classification consciousness and practice on vegetation, animals and other organisms have existed since ancient times. They existed in ancient China and ancient Greece, and developed into a science-taxonomy. However, the early classification was mainly based on morphology, such as the shape of roots, stems and leaves. Taxonomy based on morphology is the oldest discipline in biology, and the earliest phyla, classes, orders, families, genera and species basically came from here. Taxonomy in the general sense refers to a specialized discipline that identifies, identifies, describes, names and classifies organisms. The task and purpose of taxonomy can be divided into two parts:(1) On one side of the obstacle, two perpendicular rings illuminate red lights or two spheres;(three) other provisions of the medical security management.Let's take it apart. No.1 is the filter tip, No.2 PLA has shown signs of melting from this perspective, and No.3 hollow filter cotton also has traces of black edges. The last part of the smoke bomb was already quite dark.港口城市江州，南城分局刑侦队女副队长王若楠和卧底警员邱天联手破案，却发现了隐藏在案件背后的江州黑势力大哥刘东涉嫌贩毒的案情。为侦破此案，已可归队的邱天孤身继续卧底，决意捣毁刘东集团。此行动务必极度保密，王若楠成为了邱天的唯一联络人。邱天卧底刘东组织，经历怀疑，靠着英勇机智，获得了刘东的信任，成为组织内的重要人员。邱天受命保护被刘东威胁的、知晓自己警察身份的前女友李菲菲和她的现任丈夫、药品企业家周志国。邱天得到参加交易毒品的机会，但警方连续两次抓捕行动，都被内外因素破坏，邱天也几乎暴露。此时刘东背后的秘密供货人却浮出水面。邱天为查找毒源，违背王若楠的指令，带刘东潜逃。邱天赌博式的举动，却得到惊人的真相：原来周志国才是真正的幕后黑手。面对这起勾结境外，制毒、贩毒的重大毒品犯罪，最终，邱天和王若楠一起将罪恶之源斩断于江州。