The writer selects the three-tower technological process and makes a theoretical calculation by hand and software-ASPEN PLUS in computer, the result is satisfactory.
选择三塔流程进行手工计算和ASPEN PLUS计算机程序计算，得出了满意的结论。
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。
Compared the space curve data from the two methods and formula's calculation by hand, the result indicates the system which held is higher precision and effective satisfied with practical application.
将这两种方法获取的空间曲线数据与手工计算获取的数据进行对比分析，结果表明该图形编程系统精度高，效率快，更有效地满足实际应用。
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