哪位大哥帮我翻译这段文字啊，谢谢！

Physics is the science based on experiment, the experiment is a scientific research approach with important physics. The experiment is playing a same role in development and physical teaching of physics, demonstrate the experiment is essential in the classroom instruction. Must grasp and design the principle which demonstrate the experiment as a physical teacher.

Physics is a science based on experiment, which is an important research method of physics. Experiment plays the same important role in the development and teaching of physics. The demonstrative experiment is indispensable in classroom teaching. As teachers of physics, they should master the rules of designing demonstrative experiment.