scalar operator

例句：

1. 1. In linear algebra, the scalar operator is used to multiply vectors by scalar values.
   在线性代数中，标量运算符用于将向量与标量值相乘。
2. 2. The scalar operator can be used to add or subtract values from a list of numbers.
   标量运算符可用于从数字列表中添加或减去值。
3. 3. The scalar operator is essential for solving systems of equations with multiple variables.
   标量运算符对于解决具有多个变量的方程系统至关重要。