Shu (Pinyin: sh) is a first-class character of Chinese general specification. It was first seen in Oracle Bone Inscriptions. The original meaning is a verb, indicating writing and description; Later, it was extended to nouns, referring to simplified books, classics, documents, letters and so on.
Synonym:
First, quantity? [ biān hào ]
Number these numbers in order. Also refers to the number of numbers.
Numbering in sequence: The new book will be published soon. Newly bought books cannot be put on the shelves until they are numbered.
Second, the serial number? [ xù hào ]
Indicates the number of the order.