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生物学是一门以实验为基础的自然科学。许多生物现象只有通过实验才能得到解释,各种生物体的结构必须通过实验才能观察清楚,生物学的理论也是人们通过实验总结出来的。所以实验
Biology is an experiment-based natural science. Many biological phenomena can only be explained through experiments. The structure of various organisms must be clearly observed through experiments. The biological theory is also summarized by experiments. So experiment