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Pytorch的nn. crossentropyloss ()的weight怎么使用? 分割实验,label标注的0-3四类,0类的比重过大,1类其次,2,3类都很 … 先说结论: 没必要纯qml开发,但c++为主,qml为辅的混合开发路线绝对是未来的趋势 答主之前重度使用qwidget做ui开发,最 … · weight n. a bodys relative mass or the quantity of matter contained by it,giving rise to a downward fore;the …