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唉，你说京城也真是的，你爹今儿上街去问了，连柴草也难买的很。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:看过《白发魔女传》电视剧的这些人中，就属天启的粉丝最为激动了，虽然他们一直坚信天启能创造出奇迹，但是《天河魔剑录》的确算是武侠剧史上的一座丰碑，《白发魔女传》和《天河魔剑录》相比，实力太过悬殊，他们已经做好了失败的准备，但是没有想到天启竟然真得再次创造出奇迹。该剧拍摄于2017年，根据紫金陈小说《高智商犯罪》改编，讲述了两名性格迥异的刑警于一起看似意外命案中发现蹊跷，于是抽丝拨茧、顺藤摸瓜，最终将真凶绳之于法。Automatic Single Focus (AF-S): It is more suitable for shooting static objects or scenes with small motion amplitude.⑤ Initiation Dispatcher triggers the callback method of the event handler to respond to the Handle in the ready state. When an event occurs, the Initiation Dispatcher will use the Handle activated by the event source as a "key" to find and distribute the appropriate event handler callback method.