为避免误差做探究实验时常需计算平均值.下列实验不需要取平均值的是 A.探究蚂蚁的通讯b.酸雨对植物的影响c.测定种子的�芽率d.探究植物 Template




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tomski为避免误差做探究实验时常需计算平均值.下列实验不需要取平均值的是 a.探究蚂蚁的通讯b.酸雨对植物的影响c.测定种子的�芽率d.探究植物 coloring