论文部分内容阅读
光学这一部分内容概念很多，为了便于同学们对这众多概念的掌握，下面将它们归纳成十个“两”供同学们学习时参考．一、两种模型：点光源和光线任何点光源都有一定的形状和大小，只有当光源的大小远小于被它照射的距离时，它就可以被看作为点光源，因此点光源中的“点”不同于
This part of the concept of optical content is very much, in order to facilitate the students to grasp this many concepts, the following will be summarized into ten “two” for the students to learn when reference. One or Two Models: Point Light Sources and Lights Any point light source has a certain shape and size. Only when the size of the light source is much smaller than the distance it is illuminated by, it can be considered as a point light source. Point" is different