This step ensures that even an empty element (one with no existing text node) is updated.
这一步确保即使是空元素(即不具有现有文本节点的元素)，也进行更新。
If text is omitted and there is no existing text value to replace, the update command fails.
如果省略了text且不存在要替换的现有文本值，更新命令就会失败。
The question marks (?) in the expression are replaced with the existing text value of the target node.
表达式中的问号(？)将由目标节点的现有文本值替换。
We're using structure (divs) to identify places where we later will layer graphical text on top of the existing text.
我们使用结构(div)来标识以后在现有文本上面覆盖图像文本的位置。
In a word processing application, the user might expect new characters to appear after any existing text.
在文书处理应用程序中，使用者也许会预期新的字元会出现在任何现存的文字后。
Experiment results indicate that the proposed algorithm outperforms the existing text clustering algorithms in accuracy.
实验表明，该算法与现有的文本聚类算法相比，准确率有一定的提高。
Experiment results indicate that the proposed algorithm outperforms the existing text clustering algorithms in accuracy.
实验表明，该算法与现有的文本聚类算法相比，准确率有一定的提高。
应用推荐