subtractive library

例句：

1. 1. The subtractive nature of this method makes it easy to apply to different problems.
   这种方法的减法性质使得它适用于不同的问题。
2. 2. Subtractive color mixing is a technique used in graphic design to create unique effects.
   减色混合是图形设计中用于创造独特效果的技术。
3. 3.In mathematics, subtractive notation is used to represent operations that involve adding and subtracting numbers.
   在数学中，减号表示法用于表示涉及加法和减法的数字运算。