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罗七也不以为意，说道：敢问平先生可是出身墨者相里氏？此时早有传言，知道的人不少，可鲜有人当着自己的面提起，因为这是平武的一个禁喜。? Generally speaking, the factory mode is suitable: whenever a large number of products need to be created and have a common interface, they can be created through the factory method mode. Of the above three modes, the first cannot create the object correctly if the incoming string is wrong, and the third does not need to instantiate the chemical factory class compared with the second, so in most cases, we will choose the third-static factory method mode. ?The advantage of OVO is that when there are many categories, the training time is less than OVR. The disadvantage is that there are many classifiers.Public User2 (Mediator mediator) {This actual damage exists between the above levels 3-4.Now, although the practice is over, the words of "industry serving the country" and "down-to-earth" are deeply imprinted in the hearts of the team members. "I hope you can be intelligent" low entropy "people, because in this way you will be richer and become more useful to the society in the future!" It is precisely because of Mr. Sun Yimin's hard guidance and accompanying team members that they can have a broader vision and more confidence in the future.