n. a technical system of symbols used to represent special things
n. the activity of representing something by a special system of marks or characters
n. 记号, 符号表示法, 注释
[计] 记数法
1. The teacher used musical notation to explain how to read music.
老师用乐谱符号来解释如何读音乐。
2. In mathematics, notation helps us write complex ideas in a simple way.
在数学中，符号帮助我们以简单的方式表达复杂的想法。
3. Learning scientific notation is important for understanding large and small numbers.
学习科学记数法对于理解大数和小数很重要。