例如,当您使用由上而下的方式时,可以呼叫尚未实作的函式,然后在需要时才加入基础实作。
For example, when you use a top-down approach, you can call functions that are not yet implemented and then add underlying implementations when you need them.
它采用了递归的方式由上而下的对一个文本的词法进行分析。
It USES recursive manner of a top-down version of the lexical analysis.
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