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物理教材中有大量的物理概念，而每个概念都有特定的物理意义，只有把握住，才不至于滥用。在物理实验教学中，有些教师和学生对此不加注意，常出现一些不规范或不科学的用法。最常出现的是对“测量”、“测定”不分，“物体”、“物质”不分，下面就这两个概念的使用加以区别
There are a large number of physical concepts in physics textbooks, and each concept has a specific physical meaning. Only when it is grasped, will it not be abused. In physics experiment teaching, some teachers and students pay no attention to this, and some non-standard or unscientific usages often appear. The most common occurrence is the separation of “measurement” and “measurement”, and “object” and “substance” are not separated. The following uses the distinction between the two concepts.