The certainty model of the risk of tender for engineering construction, bid cost comparison and tender probability on uncertainty measure is established.

给出了未确知测度、置信度的概念，建立了基于未确知测度的工程建设投标风险，报价成本比，中标概率确定模型。

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In the process of updating topic model, a method combining certainty and uncertainty is used to select samples.

在更新话题模型的过程中，尝试确定性和不确定性相结合的方式作为样本选择标准。

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In order to minimize the expected loss of overstock and shortage, first of all the optimal supply is determined, and then a mixed integer linear programming model under certainty is built.

为使潜在的仓库积压和产品缺货的损失最小，首先确定了最优的产品供货量，然后建立了一个确定性的混合整数规划模型。

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"The Republican insurance-based model institutes a system of government insurance guarantees to provide certainty to investors, " Cantor said.

CNN: Geithner bank plan fails to attract key bipartisan support

The mathematical model wasn't wrong, but it couldn't know with absolute certainty the pathway of Irene.

CNN: Can you trust the weatherman?