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但每种情况下选用macro-F1、micro-F1，会有一些特例情况产生，下面就针对以上场景，一个个举例给大家看看，到底macro-F1、micro-F1在什么情况下选用会更合适。 第1种情况：各个类别下样本数量不一样多但相差不大 那在这情况下，就是用macro-f1与micro-f1都行。
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What is the best macro lens for pentax k3? if budget is not a problem? the best that has autofocus and the best that doesn't have autofocus a really
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Reviews of lenses by Sigma, Tamron, Tokina, Zeiss, Zenitar, and others designed for Pentax cameras Comprehensive Pentax lens database with specifications and user opinions
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AM，AFM，ACS Nano，Nano Letters，Small，Nano Research如何排序？如还有其他期刊欢迎补充补充：还有Nat…
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