如图一表示棉花的根芽茎在不同生长素浓度下的生长情况。请回答相关问题: 1比较图一中三条曲线,能说明 。 2图一中若棉花幼苗顶芽处的生长 Template




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tomski如图一表示棉花的根芽茎在不同生长素浓度下的生长情况。请回答相关问题: 1比较图一中三条曲线,能说明 。 coloring