complex normal stochastic process

例句：

1. 1. The complexity of the problem requires a more detailed analysis.
   这个问题的复杂性需要更详细的分析。
2. 2. The design of the new building is complex and requires careful consideration.
   新建筑的设计复杂，需要仔细考虑。
3. 3. The research on this topic is complex and requires expertise in multiple fields.
   这项研究的复杂性要求在多个领域有专业知识。