Friedel and Craft's synthesis

例句：

1. 1.The synthesis of the two theories has ledto a more comprehensive understanding of the issue.
   两种理论的结合使得对这个问题的理解更加全面。
2. 2.This synthesis is crucial for the development ofnew technologies.
   这种合成对于新技术的发展至关重要。
3. 3. Thesynthesis of different cultures has created a richer cultural heritage.
   不同文化的融合创造了更丰富的文化遗产。