equal to or less than

• 相当于或少于

equal to or less than的用法和样例：

例句

1. An efficiency variance reveals the effect on total cost of using more or less input than the quantity allowed by the flexible bud-get for actual output.
   效率差异反映了相对于实际生产所发生的投入量多余或少于弹性预算的规定量时总成本的变化情况。