URL中的IPv6地址应该包括在方括号内。
The IPv6 address in the URL should be enclosed by square brackets.
如果有更多的输入参数，它们将显示在这个方括号内，以空格分隔。
If there were more input parameters, they would appear inside the square brackets, separated by Spaces.
方括号内的任意表达式(包括简单的标识符)都可以作为该属性的索引。
An arbitrary expression, including a simple identifier, inside square brackets can index the property.
方括号内的表达式是一个元组。我们可以用元组赋值语句来遍历这个字典。
The expression in brackets is a tuple. We could use tuple assignment to traverse this dictionary.
另外有趣的一点是md 1和md 2，两条带，在方括号内没有任何的信息。
Another interesting bit of information is that md1 and md2, both stripes, do not have any information inside square brackets.
在每个时间点的抵押贷款余额，都等于每月偿还额乘以，方括号内的值，T是剩余年份数。
At every point of time your mortgage balance is equal to your mortgage payment times that square bracketed thing, where t is the amount of time you have left.
可以通过将类括在方括号内来表明这是一个类；在括号中，可以有一组字符或者用破折号指定的字符范围。
You can indicate a class by surrounding it in square braces; within the braces, you can have both a set of characters and character ranges indicated with a dash.
字符类(Characterclass)：一个字符类就是方括号内的一个字符集，其中，匹配可以是括号内的任意一个字符。
Character classes: a character class is a set of characters within square brackets where a match would be any one character within the brackets.
字符类(Characterclass)：一个字符类就是方括号内的一个字符集，其中，匹配可以是括号内的任意一个字符。
Character classes: a character class is a set of characters within square brackets where a match would be any one character within the brackets.
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