| 1. | The expression in the square brackets looks familiar .
中括号内的表达式看起来很熟悉。 |
| 2. | The rather messy expression in the brackets can be written in a symmetric form .
中括号中这个相当凌乱的表达式可以写成对称形式。 |
| 3. | In syntax , items inside brackets are optional
在语法中，中括号中的项目是可选项。 |
| 4. | Marks the beginning of a bracket expression
标记中括号表达式的开始。 |
| 5. | When characters are enclosed in brackets , the list is called a
当字符括在中括号内时，该列表称为“ |
| 6. | Which is enclosed by brackets
但是，可以定义用中括号( |
| 7. | Put the hyphen character at the beginning or the end of the bracketed list
将连字符放在中括号列表的开始或结尾。 |
| 8. | You also use the brackets when you refer to the name later in your code
以后在代码中引用该名称时同样使用中括号。 |
| 9. | Limit on levels of nested parentheses in a single expression is now 256
现在，单个表达式中括号嵌套的层数限制为256 。 |
| 10. | Do not confuse this use of the with the use within a bracket expression
不要将^的这种用法与中括号表达式内的用法混淆。 |
