第四部分：物理演示实验方法的研究。
Part five: explore the practice of Physical demonstration experiment.
物理演示实验是物理教学的重要手段。
The physical demonstration experiment is important method of the physical teaching.
她在课上进行了一系列太空的物理演示。
Her lessons were a series of physics demonstrations in the space.
按照物理模型演示结果来看，大黄蜂是不可能飞起来的。
BUMBLEBEES cannot fly-or so physical models are said to have shown.
演示实验在中学物理实验中尤其具有举足轻重的作用。
Experimental demonstration in high school physics experiment is especially vital role.
演示实验在中学物理实验中尤其具有举足轻重的作用。
Experimental demonstration in high school physics experiment is especially vital role.
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