在英文摘要中，换行不拆分单词的方法是使用软换行符“ ”（即非打印空格符）来代替空格。这样在换行时，单词将不会被拆分开来，而是在下一行继续显示。同时，在换行符前加上“-”符号，表示该行是上一行的延续，以便读者更好地理解文章的内容。例如：
This is an example of a long sentence that needs to be wrapped in the abstract. To prevent words from being split across lines, non-breaking spaces ( ) are used instead of regular spaces. In addition, a hyphen (-) is used to indicate that the line is a continuation of the previous one.
