为了方便大家尽快找到需要的话题，经icfb版主建议，编辑这个数字后端的FAQ。 如果您是初学者，建议先搜索相关的资料，读读其他人的帖子，一些基本概念在那里都已经讨论过了-Icfb moderator suggested that, in order to facilitate everyone as soon as possible to find the topic, edit this digital backend FAQ. If you are a beginner, it is r