[经] 扩散先验密度 prior density: 先验密度diffuse density: 漫射密度; 散射密度prior density function: 先验密度函数diffuse low-density shadows: 弥漫性低密度影diffuse transmission density: 慢透射密度; 漫透射密度下载手机词典可随时随地查词查翻译