为研究环境因素对某植物光合速率的影响实验如下将长势相同的若干植株随机均分为ⅠⅡ两组并置于相同环境中.在一个无�的晴天Ⅰ组遮阴Ⅱ组不 Template




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tomski为研究环境因素对某植物光合速率的影响实验如下将长势相同的若干植株随机均分为ⅠⅡ两组并置于相同环境中.在一个无�的晴天Ⅰ组遮阴Ⅱ组不 coloring