在论述铀放射系不平衡原理的基础上，提出了地下水三元补给体系混合比的面积坐标算法。
According to the basic principle in uranium series disequilibrium, a calculating method for the mixing ratio of a three source recharge system of groundwater is raised.
沥青混合料施工配合比设计是道路施工中的一个关键环节，传统的“平衡面积法”，需要进行多次手工试算，计算工作量大，易产生误差，并且无法进行经济分析。
Asphalt mix design is a key tache in the construction of roads. The traditional method is trail calculation by hand. The speed is slowly and it is easily to make mistakes.
沥青混合料施工配合比设计是道路施工中的一个关键环节，传统的“平衡面积法”，需要进行多次手工试算，计算工作量大，易产生误差，并且无法进行经济分析。
Asphalt mix design is a key tache in the construction of roads. The traditional method is trail calculation by hand. The speed is slowly and it is easily to make mistakes.
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