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墨鲫接到回信，这才放下一颗心，又悠闲地靠在椅子上吃点心去了。　　诸多小动物的性命危在旦夕之际，走来一只大象，狮子一看有不识趣的家伙闯进自己的地盘，顿时火冒三丈，责令猴子、野鸡和小鹿分别与大象比赛摘果子、拣石子和走沼泽地，令它没想到的是，大象的本领竟是那样大。不甘心输的狮子决定亲自上阵。OvO pairs the N classes in pairs to generate N (N-1)/2 binary classification tasks. For example, OvO will train a classifier to distinguish classes Ci and Cj. The classifier takes the Ci class sample in D as a positive example and the Cj class sample as a counterexample. In the testing phase, the new samples will be submitted to all classifiers at the same time, so we will get N (N-1)/2 classification results, and the final results can be generated by voting: that is, the category that is predicted most is taken as the final classification result. Figure 3.4 shows a schematic diagram.船只就在淮水岸边，只要尹旭安全渡河回到淮南，后果可就严重了。2230Industrial Revolution 2.0-Electrical Age: Since the 1870s, marked by the wide application of electricity, human society has entered the "Electrical Age" and initiated a new mode of mass production of products.现在正是用人之际，尉缭的到来无疑会给自己很大的帮助。