()-Chinese punctuation brackets, a little bigger (it doesn't matter if the whole angle is half angle). After the Chinese input method is called up, it defaults to.

It is a country with Chinese punctuation marks. You can click the icon with period and comma in the input method to modify Chinese symbols.

Or press CTRL+. (the key to the right of the comma) "to change the state.

()-English punctuation brackets

Chinese punctuation marks are generally used in papers.

Of course, if there is no regulation, you can use brackets in English punctuation marks and use them uniformly.