您也许认为可以使用“通配符”作为默认值，但是XPath连通配符也不识别。

You might think that the solution would be to use a "wild card" as a default value, but XPath doesn't recognize that, either.

youdao

不识别注释数据的应用程序将跳过注释记录而呈现它们确实理解的记录。

Applications that do not recognize the comment data skip the comment records and render the records they do understand.

youdao

因具有特异性和专一性，中药活性物质对健康肾组织不识别、不存留、不攻击。

Because of the characteristics of specificity and selectivity, the Chinese Medicine Active Substance is not identifying, storing and attacking with the Healthy Kidney Tissues.

youdao

So why don't you go ahead and identify the correct electron configuration for carbon, 6 and I'll tell you that z is equal to 6 here.

所以你们为什么不开始,而且识别碳的正确的在你们做作业方面,电子构型，我会告诉你有效电荷量是。

麻省理工公开课 - 化学原理课程节选

Remember that way that Franny can identify the timbre of her brother's voice very specifically: it's like no other.

记住Franny识别她哥哥,声音的特殊方法：，他不像其他的那样。

耶鲁公开课 - 1945年后的美国小说课程节选

Let's see if it recognizes, try voting--polling closed--not so good.

我们试试它能不能识别,投票,结束,不太好

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选