一、测量的初步知识物理学是一门实验科学 ,实验离不开测量 ,长度的测量是为所有的测量奠定基础的。这一章的重点是能够正确使用刻度尺 ,会正确记录测量结果 ;难点是误差的概念及一些特殊的测量方法。无论何种测量都要注意选择适当的量具 ,熟悉测量仪器的计数和使用方法 ,严格? First, the preliminary knowledge of measurement Physics is an experimental science. Experiments can not be separated from measurement. Length measurement is the foundation for all measurements. The focus of this chapter is to be able to correctly use the scale and to record the measurement results correctly; the difficulty is the concept of error and some special measurement methods. Whatever type of measurement is concerned, select the appropriate measuring tool and be familiar with counting and using the measuring instrument.