1. 方括号：( )parentheses 圆括号 | [ ]square brackets 方括号 | << >>french quotes 法文引号;书名号
2. (括号)：(布局)Layout of elements, statements, expressions, and query clauses | (括号)Placement of curly brackets, parenthesis, square brackets, etc | (空格)Spacing around keywords and operator symbols
3. 方型托架：sql interface sql 接口 | square brackets 方型托架 | squared 平方的
4. 中括號：] close bracket 右中括號 | [] square brackets 中括號 | . period, dot 句號,點