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Category division is specified through the Coding Matrix. There are many forms of coding matrix, the common ones are binary code and ternary code. The former specifies each class as a positive class and an inverse class respectively, while the latter can specify "disabled class" in addition to the positive and inverse classes. FIG. 3.5 shows a schematic diagram. In FIG. 3.5 (a), classifier f2 takes samples of Cl and C3 as positive examples and samples of C2 and C4 as counterexamples. In FIG. 3.5 (B), classifier f4 takes the samples of C1 and C4 as positive examples and the samples of C3 as counterexamples. In the decoding stage, the prediction results of each classifier are combined to form the code of the test example. The code is compared with the corresponding codes of various types, and the category corresponding to the code with the smallest distance is taken as the prediction result. For example, in Figure 3.5 (a), if based on the European distance, the prediction result will be C3.讲述了年轻警官闻涛由于一个无心之过，导致战友牺牲。因为心怀内疚，他毅然决定接替战友充当卧底。一路风雨，没想到越接近事实的真相，危险越大。当他最后撕开事实的面纱时，却发现了残酷的真相。亲情与法，孰轻孰重，闻涛在战斗中成熟起来。胡镇得了消息，在家乐得狂笑不止。胖妞Kadesurang魂穿到歹毒千金小姐Karagade身体中…过去一字千金，如今却乏人问津的情歌才子严东鸣，为了延续音乐梦想，阴错阳差来到一处名为耘海村的世外桃源，并邂逅了种菜女神农田礼耘。有严重洁癖与都市癌的严东鸣，对这蛮荒之地有着百般不适应；但在礼耘的带领下，他不但爱上这个自足可爱的小村落，更深深爱上坚毅不拔的礼耘！当灭村危机出现，东鸣究竟会选择与礼耘共进退，还是回归城市重拾睽违已久的音乐梦想？而女神田礼耘又如何守护住耘海村与她心爱的男人？郑家日子虽然清贫，却也能支持，且黄瓜和黄豆去年都中了秀才，最主要的是。俩个戴帽子的多爪软体动物