包络曲线是西方经济学中的基本概念之一，是长期成本分析工具之一。

Containing Net Curve is one of the basic concepts in the Western Economics, and one of the tools of analyzing the Long Cost.

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长期平均成本曲线是怎么样得到的？

How is the long-run average cost curve (LRAC) derived?

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长期平均成本曲线是怎么样得到的？

How is the long-run average cost curve (LRAC) derived?

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