On the other hand, higher mathematics, physics and chemistry usually in the form of formula to explain the law and the definition.

另一方面，高等数学、物理学和化学通常是以公式的形式来讲解定义和定律的。

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Statistical data of thematic maps are graded with the method of model distinguishing in mathematics, and a formula for the standard of grading accuracy is given.

采用模糊数学中模式识别方法对专题地图统计数据进行分级，并定义了分级精度标准的计算公式。

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By building models of resources optimization in the practical bridge construction, the paper gives mathematics formula to evaluate optimization model using the same parameter.

建立了实际桥梁施工网络计划资源优化模型，提出用统一的参数来评价优化模型的数学公式。

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