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高中生物(必修)课的教学中有两个实验(实验一和实验三)要求进行洋葱生根的培养。我们作了以下的对比培养实验:
There are two experiments in the high school biology (required) course teaching (Experiment 1 and Experiment 3) that require the cultivation of onion rooting. We made the following contrast training experiments: