parentheses
First, there are many ways to explain the previous words. You can analyze and clarify any aspect of the problem. For example, fish can only swim in the sea (that is, water), and birds can only fly in the sky (that is, the atmosphere). (Zhang niao Fei Yu tiao association)
Two. The Wuhan-Guangzhou section of the Beijing-Guangzhou railway, which is under intense construction, has also made new progress. (Guangming Daily 1999438+0.5)
Word order words are enclosed in brackets, including (1) (2) (3) (a) (b) (c) (1) (2) (3) (1) 2) 3) and other forms, which are usually used in pairs, and sometimes only used later. For example, thought has three conditions: (1) rationality, (2) psychology, (3) ethics; Phonetics also has three conditions: (1) sound, (2) the sign of sound writing, and (3) the connection between sound and sound grammar. (Chen Wangdao Chinese Essay)
Fourth, mathematical usage.
Parentheses are symbols used to specify the order of operations.
The square brackets "[]" can also be called square brackets. Used to mark writing mistakes, international phonetic symbols, references, etc.
First of all, it is used to fill gaps or make mistakes. Stubble is spicy and non-toxic. (Tang dynasty herbal prescription manuscript)
Second, it is used to mark international phonetic symbols. Most of the international phonetic symbols are printed in lowercase Latin letters, but some of them are slightly modified or have additional symbols, and square brackets indicate that they are phonetic symbols, not letters. For example, there are three factors [i], [u] and [y] in Beijing dialect that can play an intermediary role ...
Third, the prefix used after phonetic notation in dictionaries, Pei [pèi] and "Guang Yun" are all for cutting, going to the team, and].
Fourthly, it is used to express etymology in dictionaries.
Hexagonal bracket
First, add words to the quotation to make the meaning coherent. Another example is "letter", which only refers to messengers in ancient times. Today's letter is called "book" in ancient times, and "Shi Shuo Xin Yu" says: "Russia and Xie Xuanxin are in love, but [Xie An] studies without saying anything". The difference between "letter" and "book" is obvious. (Lv Shuxiang, The Evolution of Language)
2. As for the document number, the document number of the State Council General Office is Guo Ban Fa [1993]8 1.
Third, note the annotated text in the footnote, and (look for) the ancient eight feet. (Wang Anshi's "Deng Fei Laifeng" Note)
4. Indicate the nationality or dynasty of the author. Outline of World History (English) Joe Wells, Lincoln Biography (American) carl sandburg.
Fifth, in mass organizations, the serial number used for annotation ignores the organizations of military soldiers' associations and local workers and peasants. Notes? For the explanation of [1], see note (5) of The Jinggangshan Struggle (Selected Works of Mao Zedong, 2nd Edition, Vol./kloc-0, pp. 86 and 95).
In addition, square brackets are often used to mark items in reference books.
Extended data:
Parentheses generally refer to symbols used to indicate comments in an article. This kind of comment is parenthesis sandwiched in the middle of the text. When writing an article somewhere, it is sometimes necessary to add a note in order to make readers understand it more thoroughly.
The nature of annotations is varied. But parentheses can only explain the previous statements, and can't introduce new content.
References:
Baidu encyclopedia-brackets