Methods the effect factors of the steady producing for single gas well production was discussed by using the model of material balance with compensating as well as the parameters of the model.

方法采用具有补给的物质平衡模型确定气井单井稳产水平，探讨影响单井稳产水平的因素及其在模型中的反映。

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High quality material and a well designed production process are the key factors in the production of aluminum cathode foil.

在生产中高品质的铸轧坯料和合理的轧制工艺是生产负极箔的关键。

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Essential factors of production which consist of Labour force land capital technique information managerial skills ect. are indispensable to material goods production of mankind.

生产要素是人类进行物质资料生产所必须具备的因素，它包括劳动力、土地、资本、技术、信息以及管理才能等。

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