四重性

例句：

1. 1. The problem is characterized by its four-dimensional nature.
   这个问题的特点是其四维性质。
2. 2. The researcher found that the data had a high degree of multiplicity.
   研究人员发现数据具有很高的复杂性。
3. 3. The novel explores the concept of multiplicity through its characters' interactions.
   这部小说通过角色之间的互动探讨了多维性的概念。