1. "Photograph" is a standard first level character (commonly used character) in modern Chinese. The pronunciation of Putonghua is sh è, ni è. It was first seen in Shuowen and belongs to pictophonetic characters in the Six Books.
2. The basic meaning of "perturbation" is drag, such as perturbation force; The extended meaning of photography is to maintain and cherish.
3. In modern Chinese, "taking" also has the meaning of convergence, convergence, such as taking the heart (astringent mind).
