The method that highway project cost forecasts includes qualitative forecast and ration forecasts two kinds big.

公路工程成本猜测的方法包括定性猜测和定量猜测两大类.

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Commonly used qualitative forecast a method to experience judges law and law of investigation and study.

常用的定性猜测方法有经验判定法和调查研究法.

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The methods commonly used for cost forecast are the qualitative forecast and quantitative forecast.

成本费用预测常用的方法为定性预测和定量预测.

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