实际上，portlet 就是屏幕上的占位符，即您的组件在客户机上的显示位置。

The portlet is essentially a placeholder on the screen for where your component will display on the client.

youdao

输入操作名称StandRespText，然后选择位置，例如，在列表的顶层显示位置1。

Enter the name of the action, StandRespText, and select the position, for instance, show position 1 at the top of the list.

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在本例中，我们为callback使用一个闭包，它显示位置字段(通过启用其CSS)，然后将经度和纬度写到此dom。

In this case, use a closure for the callback that simply displays the location fields (by toggling its CSS) and then writes the latitude and longitude to the DOM.

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In this case it says, this is a syntax error, and it's actually highlighting where it came from so I can go back and fix it.

在这个例子中它显示这是个语法错误，并且会高亮显示它的位置,以便于我去修改。

麻省理工公开课 - 计算机科学及编程导论课程节选

On the top you see where the hair cells are located in the human cochlea.

幻灯上方显示的是,人耳蜗内毛细胞的位置。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

And you can see that in this code here.

它首先是显示出开始点和尾点的位置。

麻省理工公开课 - 计算机科学及编程导论课程节选