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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:The default waiting time before the first retransmission of Win2000 is 3 seconds. To change this default value, you can modify the TcpInitialRtt registration value of the network interface in the registry. The number of retransmissions is defined by TcpMaxConnectResponseRetransmissions, and the location of the registry is: HKLMSYSTEMCurrentControlSetServicesTcpipParameters registry key.曹氏微笑道：不过是玩儿罢了。The TCP three-way handshake process is as follows:依军报所述，六月十五本该是贼寇定下的岑港突围之日，岑港也的确突围了，只是全数贼寇被歼，外面所谓的接应援兵只是个幌子，岑港众就这么成为了取杭州的诱饵。两个家伙谁做一个约定，失去了贞操舞会前找到他们的友谊进行测试时，其中一人能出柜。In this case, the system needs to be restarted once, and the subsequent installation process will be automatically carried out within one minute after the restart.