dotted decimal notation

例句：

1. 1. The engineer used dotted decimal notation to represent the temperature in the formula.
   工程师使用点数小数表示法来表示公式中的温度。
2. 2.In mathematics, dotted decimal notation is commonly used for representing fractions with a variable denominator.
   在数学中，点数小数表示法常用于表示分母可变的分数。
3. 3. The student was confused by the complexity of dotted decimal notation and struggled to understand the problem.
   学生对点数小数表示法的复杂性感到困惑，难以理解这个问题。