Due to many certain factors and fuzzy factors in the process of bidding-evaluation, it is difficult for the experts to conduct accurate evaluation in a short time if using present method.

评标过程中由于确定因素和模糊因素并存，应用现行评标方法，评标专家难以在较短时间里对模糊因素做出较准确的评判。

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The membership functions of fuzzy due dates represented by triangle numbers are employed to compare the completion time and due dates and to decide whether jobs are tardy .

为了便于计算，用三角形模糊数表示模糊交货期，本文用模糊交货期的隶属函数来比较任务的完工时间和交货期，判断任务是否误工。

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