The counteraction of superstructure and subjective activity is an important reason emerging disequilibria and flexuosity in the process of society evolution.
主观能动性、上层建筑反作用是使社会演化过程中出现不平衡性、曲折性的重要原因。
Entire design process including four partial contents: Hydrology computation, superstructure design, substructure design, construction technological design.
整个设计过程包括四部分内容：水文计算，上部结构设计，下部结构设计，施工工艺设计。
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