直尺是学生必备的学习用品,是测量物体长度的工具。在物理学习的过程中,只要我们善于动脑,直尺在物理实验中就会有广泛的应用,现举例如下: The ruler is a student’s essential school supplies and is a tool for measuring the length of an object. In the course of physics learning, as long as we are good at brains, the ruler will have a wide range of applications in physics experiments. Here are some examples: