通过把安装数据参数化，可以根据不同的安装需求用单一软件包构建多个定制映像。

By using parameterized installation arguments, you can use a single software bundle to build custom images with different installation requirements.

youdao

Portlet 窗口显示选项：为页面指定元数据参数，它用于在显示页面时决定 portlets

Portlet window display option: Specifies the metadata parameter for the page, which is used to render the portlets while displaying the page

youdao

现在我们加载了业务规则，也为每条规则构造好了Erlang函数，是时候把市场数据参数传给它们了。

Now that we have loaded our business rules and built Erlang functions for each of them, it is time to apply market data arguments to them.

youdao

And I don't quite remember from reading or from class how big these things are, well, it turns out -- and this is sometimes useful, later on more likely than now -- but C has a size of operator that takes an argument in parenthesis and it will tell you how much space is used to store that particular data type.

我不太记得类中的这些类型,是多大的，嗯，结果是--这个在以后比现在，可能是更有用的--不过C语言中有个sizeof的操作符,其中括号里有一个参数,它会告诉我们，要存储一个类型的数据,需要占用多大空间。

哈佛公开课 - 计算机科学课程节选