involutorial crossed product

例句：

1. 1.The involutorial structure of the new model is more complex than that of the old one.
   新模型的复杂结构比旧模型复杂。
2. 2. The involutorial design of this product is very popular among consumers.
   该产品的内嵌式设计非常受消费者欢迎。
3. 3. The involutorial approach to problem-solving has proven effective in many cases.
   问题解决的内嵌式方法在许多情况下都证明是有效的。