double complex

例句：

1. 1. The double complex of the system is difficult to understand.
   这个系统的多重复杂性很难理解。
2. 2. The researcher found that the double complex was a major factor in the failure of the project.
   研究人员发现，双重复杂是项目失败的主要因素。
3. 3.The company's double complex structure makes it difficult for outsiders to understand its operations.
   公司的多重复杂结构使得外人难以理解其运营。