hierarchic sequence中文什么意思

例句与用法

1. deep foundation pit " s optimization design concerns with many factors and all these factors have complicated relationship . its scheme and detail design have hierarchic sequence with discrete design data . for these reasons traditional optimization is not adaptive to foundation pit optimization
   基坑支护工程优化设计由于具有涉及因素众多，各因素之间的关系复杂，设计参数离散性，方案和细部呈现层次性设计等特点，采用传统优化方法进行设计效果不理想。