物理实验中有效数字的确定原则及作用探讨

Dealing Principle and Usages of Significant Figure in Physics Experiments

从培养科学实验素质的角度出发,明确了有效数字与测量误差之间的内在联系,指出确定有效数字是物理实验课教学的重中之重。给出了新的有效数字实质性定义,并对有效数字读数规则、运算规则进行了实质性解释,归纳了结果有效数字修约的一般原则,阐明了物理实验中有效数字的教学目标。

The inner relation of significant figure and errors in the surveying, as well as the importance of significant figure in physics experiments teaching was pointed out. The new definition of significant figure was given. The rules of reading and operating for the figures were explained. The general principle of dealing the significant figure was concluded. The teaching purpose of significant figure in physics experiments was expounded.