In construction, the production function may be expressed by the relationship between the volume of construction and a factor of production such as labor or capital.

在建筑工程中，产出函数则可认为是建设项目的规模和生产参数(如人工或资金)之间的关系。

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But according to Marxist theory, as capital itself does not create value, it is not regarded as a production factor, but a reflection of social production relationship in market economy.

在马克思的思想体系中，资本不是生产要素，也不创造价值，而是反映商品经济的一种社会生产关系。

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When the society enters the times of the intellectual economy, the labor creating value more and more rely on the new production factor such as science and technology, knowledge, capital etc.

当社会进入知识经济时代时，创造价值的劳动越来越依靠科技、知识、资本等新的生产要素。

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