王华想要验证植物生长是否需要无机盐.她将两株生长状况相同的幼苗分别培养在蒸馏水和土壤浸出液中观察实验结果.请回答下列问题1设计本实验时 Template




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tomski王华想要验证植物生长是否需要无机盐.她将两株生长状况相同的幼苗分别培养在蒸馏水和土壤浸出液中观察实验结果.请回答下列问题1设计本实验时 coloring