average total cost

Define total cost, average total cost, and marginal cost. How are they related?

定义总成本，平均总成本，边际成本。它们之间关系是什么？

It is drawn to intersect both average total cost and average variable cost at their lowest points.

这条曲线都是在平均总成本和平均可变成本的最低点分别与它们相交。

In the light of the method of parameter optimal design the average total cost of the product can be reduces by 2513 yuan.

按照本文提出的参数最优设计方法，每件产品的平均总费用可降低2513元。