这就是yacc要做的：yacc让您可以描述希望怎样处理记号。
This is where yacc comes in: yacc lets you describe what you want to do with tokens. A yacc grammar tends to look sort of like this
该包装器使用字节数组来保存所产生的内容，在filter链处理完成之后我们利用数组的MD 5哈希值计算记号。
The wrapper USES a byte array to hold the generated content and after the filter chain processing completes we compute the token using an MD5 hash of the array.
语意是一个字串，和记号很像，但是它已经是一般化了的，这样同一个词的不同形式就可以一样来处理。
A lexeme is a string, just like a token, but it has been normalized so that different forms of the same word are made alike.
注释会为句法分析所忽略，它们并不作为记号处理。
该电路能对深度信号、磁记号信号、声波信号、伽马信号及CCL信号等进行采集处理，在相关的测井实时处理软件的支持下完成测井任务，应用方便。
This newly designed interface is used for acquisition of signals of depth, magnetic marks, sonic, GR and CCL. The interface makes it convenient to …
该电路能对深度信号、磁记号信号、声波信号、伽马信号及CCL信号等进行采集处理，在相关的测井实时处理软件的支持下完成测井任务，应用方便。
This newly designed interface is used for acquisition of signals of depth, magnetic marks, sonic, GR and CCL. The interface makes it convenient to …
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