In Table 1, the value "NA" (not applicable) signifies that you can't set the required or tunnel attributes when there is no XSL: param instruction to contain them.

表1中的“NA”(不适用)表示如果没有xsl：param指令的话，也就无法设置required或tunnel属性。

youdao

In Table 1, the value "NA" (not applicable) signifies that you can't set the required or tunnel attributes when there is no XSL: param instruction to contain them.

表1中的“NA”(不适用)表示如果没有xsl：param指令的话，也就无法设置required或tunnel属性。

youdao