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采用模糊数学中隶属度的概念，评估了冬期施工掺外加剂低负温砼的经济投入，可供快速估算寒冷地区砼的冬施经济造价时参考。
The concept of subordination degree in fuzzy mathematics was used to evaluate the economic input of low-negative temperature enthalpy admixtures for winter construction, which can be used as a reference for quickly estimating the economic cost of plutonium in cold regions.