Line 13 USES the observe_field method from the Prototype library.

第13行使用prototype库中的observe_field方法。

youdao

Whenever a user selects Open from a menu bar, the run method on line 13 executes.

每当用户从菜单栏选择“open…”时，都要执行第13行上的run方法。

youdao

In line 13 of Listing 1, the connection object (con) is established as the "default" connection.

在清单1的第13行上，Connection对象(con)被建立为“默认”连接。

youdao

except that line 13 seems to violate that, it seems to violate that principle.

除了第13行仿佛违反了规则，没有遵照这个原则。

耶鲁公开课 - 现代诗歌课程节选

So the fact that line 9 did not match, if you find a matching sock which we didn't, that means we immediately jump to the else which is line 13 and so Philip now has to do what?

事实上，第九行我们没法匹配，如果你没找到匹配的袜子，这意味着我们立即跳转到第13行,所以现在Philip做什么？

哈佛公开课 - 计算机科学课程节选

That big positve number on line 13.

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But costs remain out of line-13.5 cents per available seat mile, compared with an industry average of 9.2 cents.

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Chalmers stepped to the free-throw line with 13.8 seconds left and calmly sank both foul shots to seal the win.

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