更好地使用设备：随着总产量提高，生产设备使用率提高，降低计算中的单位成本。

Better use of equipment - as total production has increased, manufacturing equipment will have been more fully exploited, lowering fully accounted unit costs.

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过剩产能可以作为当前产量水平的增加量来测度，这种增加的产量使生产的单位成本降到最低。

Excess capacity may be measured as the increase in the current level of output that is required to reduce unit costs of production to a minimum.

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