If the relationship between total variable cost and volume of output can be shown as a curved line on a graph, the relationship is said to be curvilinear.

如果产量与总变动成本的变动关系在图上表现出来的是一条曲线，则称是曲线关系。

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If the relationship between total variable cost and volume of output can be shown as a curved line on a graph, the relationship is said to be curvilinear.

如果产量与总变动成本的变动关系在图上表现出来的是一条曲线，则称是曲线关系。

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