摘要
文中对几何光学中有关符号法则的几种典型说法进行了分析,指出了其中有些说法存在的问题,推介了一种比较全面准确的提法。
In this paper, three typical arguments about symbol rules in geometric optics have gotten analyzed. The error in some argument has been pointed out. And then, a comprehensive and accurate statement has been getting recommended.
关键词
符号法则
主轴
线段
symbol rules
spindle
line segment
