35.某小组进行制作生态瓶观察其稳定性的实验正确的操作是 A.生态瓶内是无菌环境 b.生态瓶放置在光线良好的环境中 c.每天定时打开瓶盖通气 Template


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tomski35.某小组进行制作生态瓶观察其稳定性的实验正确的操作是 a.生态瓶内是无菌环境 b.生态瓶放置在光线良好的环境中 coloring