A special case of a composite role is where a business object can only be uniquely identified when combining its key attribute with its parent's key attribute.
组合角色一个特殊情况是，业务对象只能通过将其键属性与父级的键属性进行组合来唯一标识。
By analyzing land use maps, combining statistic materials, connect the spatial data and attribute data and build dynamic change data base of land use.
通过对土地利用图的空间分析，结合统计资料，将属性数据和空间数据链接，建立起区域土地利用动态变化数据库。
Chaos is the attribute of some nonlinear dynamic system. Chaotic vibration formed from the combining of chaos and mechanical vibration is becoming an active field.
混沌是某些非线性动力学系统特有的内在属性，它与机械振动理论相结合而形成的新学科——混沌振动，正在成为一个日趋活跃的研究领域。
Acquiring optimal relative reduction by descending approach to core of attribute from original set of conditional attribute and combining with operator.
以原始条件属性集为起点并结合算子，通过向属性核的递减式逼近，得到属性的最小相对约简。
Combining present Fuzzy Multiple Attribute decision Making Theory, established risk decision model of diversion scheme.
结合当前模糊多属性决策理论，建立了导流方案风险决策模型。
According the evaluation system for systematical energy efficiency of building, the mathematics model combining analytical hierarchy process and attribute mathematics has been established.
依据建筑系统节能评价的指标体系，建立了基于层次分析法和属性数学原理的数学模型，对建筑系统节能效益进行定量评价。
On this basis, we discussed main factors of the reservoir evolution and evaluated reservoir, then predicted the advantageous regions combining with seismic attribute inversion.
在此基础上，探讨了储层演化的主控因素，对储层进行分类评价，并结合地震属性反演预测了有利储集区的分布范围。
On this basis, we discussed main factors of the reservoir evolution and evaluated reservoir, then predicted the advantageous regions combining with seismic attribute inversion.
在此基础上，探讨了储层演化的主控因素，对储层进行分类评价，并结合地震属性反演预测了有利储集区的分布范围。
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