PDA决定将这些字符串以主机变量还是参数标记符的形式发送。

PDA decides whether the strings can be sent as host variables or parameter markers.

youdao

扫描程序读取缓冲中的单个字符并返回解析器能理解的记号(称做标记)——如关键字、操作符及针对特定语言的标点符号。

A scanner reads in the individual characters of a buffer and returns symbols (called tokens) that the parser will understand — such as keywords, operators, and language-specific punctuation.

youdao

并向该函数传递四字符的NWS站点ID和HTML DIV标记名称。

I pass this function a four-character NWS station ID and the name of an HTML DIV tag.

youdao