As you might guess from looking at the sequence of visitor method calls, some of these calls effectively open a new context for an embedded type signature component.

通过观察访问器方法调用序列，您或许已经猜到，其中部分调用有效地为嵌入的类型签名组件打开了一个新的上下文。

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The outsider must know the port number and the password to use SSH, as well as the knock sequence required to open that port and enable the password.

外面的用户必须知道使用SSH所需的端口号和密码，还必须知道打开端口并启用密码所需的敲门序列。

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When we detect an open bracket, we have found the start of a tag and return the collected characters after we have reversed their sequence.

当检测到一个开括号时，我们就找到了一个标签的开头，并将收集到的字符在逆转顺序之后返回。

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Strings are captured in Python with an open quote and some sequence of characters followed by a closed quote.

字符串在Python中,是以一个开引号开始,然后后面是一系列的字符,以一个尾引号结束。

麻省理工公开课 - 计算机科学及编程导论课程节选

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Their dilemma: should they use the combination or try a shorter sequence of numbers to see if it will open faster?

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