In the third part, pondering for the teaching's theory about black box in senior teaching physics, I propose educational value of black-box in the middle school physics teaching.

第三部分为黑箱在中学物理教学中应用的理论思考，通过对黑箱特点的分析，阐述黑箱在中学物理教学中的教育价值和应用的原则。

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From the middle school physics teaching practices, we realize that we can develop middle school students' physics model-thinking ability by in-class teaching and out-class activities.

在中学物理的教学实践中，我们可以认识到，我们完全有必要而且也可以通过课堂教学和课外活动来培养中学生的物理模型思维能力。

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This article first discussed the status of physics classroom teaching methods in middle school and then analyzed the drawbacks of physics classroom teaching methods in middle school.

本文首先对中学物理课堂教学方法的概况进行相关论述，然后，分析中学物理课堂教学方法存在的弊端。

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