recurring group造句

In 1802, Friedrich M黱ter realized that recurring groups of characters must be the word for king.
The periodic table is an arrangement of the chemical elements, organized on the basis of their atomic numbers, electron configurations and recurring groups.
Written by a recurring group of authors and featuring all new characters created specifically for " The New Adventures ", the series begins when a young girl named Nearra wakes up on a forest path with no idea how she got there, and no memory of who she is.
It's difficult to find recurring group in a sentence. 用recurring group造句挺难的