设计分析程序的英文

例句与用法

1. However , it is short of thorough and systematic research on this new technology . and some accidents have taken place when soil nailing was used for deep foundation pit supporting with soft soil layers
   但是，对于深基坑土钉支护还缺乏深入、系统的研究，对它工作机理的了解也不完善，而且缺乏可资参考使用的技术文件和设计分析程序。