The light intensity distribution exhibits straw hat shape on a certain conditions, in other word to say, the central light intensity is less than acroteric light intensity.
在一定条件下，截面
光强分布会呈
光强小于周围光强“草帽型”分布。
;周围The light intensity distribution exhibits straw hat shape on a certain conditions, in other word to say, the central light intensity is less than acroteric light intensity.
在一定条件下，截面光强分布会呈光强小于周围光强“草帽型”分布。
声明：以
、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件观点；若发
问题，欢迎向我们指正。
