N-VAR (音乐、数学等的)标记系统，成套符号 A system of notation is a set of written symbols that are used to represent something such as music or mathematics. (音乐、数学等的)标记系统，成套符号
Musical notation was conceived for the C major scale and each line and space represents a note in this scale.
五线谱以C大音阶构成，每一个线和间代表这个音阶的音符。
...some other abstract notation system like a computer language.