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Some plants are very picky when choosing pollinators. The flowers of European Trollius are like a real safe deposit box, and only six kinds of insects know the code to open the safe deposit box. These lucky people all come from the genus Brevicorn. Only they know how to get into the sepals of European Trollius and find the center of the flower. However, no matter how hard other insects try, they can only fail with disappointment. The short-horned flower fly, which has gone to great pains to pollinate European Trollius, will naturally receive considerable "remuneration". Female short-horned flower flies lay eggs on the carpels of flowers. When the larvae are hatched, they will eat the seeds of flowers and grow up. This symbiotic relationship also has certain risks for European Trollius. The more short-horned flower flies, the greater the chance of pollination, but at the same time, the more insects parasitic on flowers. The cooperative relationship between the two was formed millions of years ago and continues to this day. It is a model of relative balance and harmonious symbiosis in nature.汪氏见两人自顾叙起话来，咳嗽一声道：请新人喝交杯酒。时间是1918年，中华大地饱经磨难，战火连连，内有军阀割据，外有强梁入侵，中国的命运前途未卜。湖南长沙，以毛泽东（保剑锋 饰）、蔡和森（陶帅 饰）、萧子升（钱枫 饰）等一众忧国忧民的热血青年组织起新民学会，共同探讨祖国的未来。为了筹措赴法勤工俭学的款项，毛和朋友们辗转北上，来至北京大学投奔恩师杨昌济。经恩师介绍，毛在北大图书馆人管理员，在此期间他结识了辜鸿铭、陈独秀（李子雄 饰）、李大钊（石凉 饰）等文化巨擎，更接触到了改变了他乃至全中国命运的马克思主义。电视剧《同心兄弟》通过小人物反映大背景，描绘壮丽时代，叙述百姓生活，塑造平民英雄，讴歌民族团结。全剧通过援疆干部的动人故事，展现了他们在援疆三年时间里工作、生活中的喜怒哀乐以及大爱无疆的精神风貌，展现了在实施新一轮援疆战略后，全面铺开的产业援疆、干部人才援疆、教育援疆、医疗卫生援疆等方面所取得的成绩，充分展示了援疆干部和新疆干部紧密团结、共同携手建设的崭新面貌。主动出击，正好也跟中军大帐所议的大战殊途同归。3 w5]! S) E-y; EVersion 1.0 Baidu Internet Disk