为了探究某种细菌的分解作用生物活动小组的同学们设计了如下实验方案将甲乙两组落叶分别进行灭菌处理甲组放在无菌条件下乙组接种该细菌后放在无 Template




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tomski为了探究某种细菌的分解作用生物活动小组的同学们设计了如下实验方案将甲乙两组落叶分别进行灭菌处理甲组放在无菌条件下乙组接种该细菌后放在无 coloring