Expressions in w3eval can contain three kind of parentheses : standard parentheses , square brackets , and curly braces W3eval的表达式可以包含三种括号：标准圆括号、方括号和花括号。
To create a list of matching characters , place one or more individual characters within square brackets and 若要创建匹配字符组的一个列表，请在方括号（ [和] ）内放置一个或更多单个字符。
In all , the latest draft agreement on farm trade has around 700 pairs of square brackets on language where there is still disagreement 据统计，目前关于农产品贸易的新的草案共有700多处分歧。
To upgrade the source file and keep it compatible with the previous version , enclose the identifier names in square brackets 要升级源文件并使其与早期版本兼容，请用方括号将标识符名称括起来。
Parts of the above syntax shown in square brackets can be left out in which case you have to leave the brackets out too 以上在方括号中显示的语法部分可以省去（在此情况下，必须将括号也省去） 。
Contents of title element is not displayed in square brackets " as in dtd its attribute id is defined as cdata , not id 标题元素的内容并未显示在方括号"中。因为dtd中的属性id是定义为cdata的，而不是id 。
Indicates that the character is the closing character of one of the paired punctuation marks , such as parentheses , square brackets , and braces 指示字符是成对的标点符号（例如括号、方括号和大括号）之一的封闭字符。
Indicates that the character is the opening character of one of the paired punctuation marks , such as parentheses , square brackets , and braces 指示字符是成对的标点符号（例如括号、方括号和大括号）之一的开始字符。
Where a piece of legislation is published in the loose - leaf edition the date of its commencement is stated in square brackets below the long title 刊于活页版的法例，会在其详题对下之处注明法例的生效日期，这日期会载于方括号之内。
In syntax , square brackets surrounding curly braces and vertical bars indicate that you can choose no more than one item , but you can also omit the items entirely 在语法中，大括号和竖线周围的方括号指示您不能选择一个以上的项，但也可以完全省略这些项。
