His face took on a set expression.
他脸上现出凝滞的神态。
We could write an expression here that matched a set of methods, on many classes.
我们可以在这编写一个表达式来匹配许多类的方法的集合。
You can also set up the Boolean expression to call a method.
也可以建立布尔表达式以调用方法。
A regular expression is a pattern of characters that describes a set of strings.
正则表达式是描述一组字符串的字符模式。
A predicate is a partial expression that can be applied to an existing node set.
谓词是用于已有节点集的部分表达式。
Set a limit on your expression session.
为你的“表达训练”设置一个时间限制。
Set a limit on your expression session.
为你的“表达训练”设置一个时间限制。
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