Reference books are divided into comprehensive and professional according to their contents; There are Chinese and foreign languages according to language types; According to the editing style and function, there are dictionaries, generic books, political treatises, encyclopedias, yearbooks, handbooks, bibliographies, indexes, abstracts, tables, directories, maps, directories and so on. A dictionary. It is a reference book for collecting and explaining words, including dictionaries and dictionaries.
The reference books are introduced as follows:
Reference books are files dedicated to searching for knowledge and information. It is a systematic collection of information on a certain aspect and sorting it out in a specific way for reference when necessary.
Book gathering is a kind of books and documents that collect relevant knowledge or documents extensively according to specific needs and sort them out according to a certain proportion and retrieval methods, and are specially used to find clues. It is a "sharp weapon" for people to explore treasures in Shushan and learn knowledge from the sea. Learning and using reference books well is a basic skill in learning.
Reference book: It is a reference book that systematically collects relevant knowledge and materials according to certain consulting needs, and arranges them in a way that is convenient for retrieval, so as to provide knowledge and information quickly. Its basic characteristics are: dense information, large amount of information, easy to search and reference-oriented.
As follows:
According to the compilation characteristics and usage habits, it can be generally divided into nine categories: bibliography, index, abstract, dictionary, dictionary, generic book, political book, encyclopedia, yearbook, manual, catalogue, numerical table, statistical set, table spectrum, catalogue, cluster and abstract.
Index: It is a retrieval tool that records titles, words, themes, names, places and events in books and periodicals, arranges them in a certain way, and indicates the source. Abstract: It is an important tool, which consists of several related items, revealing the contents of documents and transmitting relevant information.
Items include the description of the appearance characteristics of the literature and the summary of the content of the literature. Abstract is the main body of abstract project. According to the way of abstract, abstract can be divided into indicative abstract and reportable abstract. Dictionary: it is a reference book to explain the form, sound, meaning and usage of words. This dictionary can be said to be a unique reference book in China.