代码行2是一个扩展点定义的范例。

Listing 2 is an example of an extension point definition.

youdao

需要向扩展点定义中提供更多的信息。

There is more information that needs to be supplied in the extension point definition.

youdao

您需要在扩展点定义中提供更多的信息。

There is more information that you need to supply in the extension point definition.

youdao

Right now it's empty, actually it's not quite empty, it has a pointer back to the class.

当我调用了这个类的，定义声明的时候，它在内存中的特定点。

麻省理工公开课 - 计算机科学及编程导论课程节选

Deep equality, we get to define, that's what I did by writing same point.

我们需要自己定义，也就是我写比较是不是，同一个点的那个程序。

麻省理工公开课 - 计算机科学及编程导论课程节选

The lowest possible temperature in the Celsius scale is minus 273.15 degrees Celsius. So that begs the notion of re-referencing our reference point, of changing our reference points.

在摄氏温标中,绝对零度是-273。15摄氏度5,这样，我们需要重新定义参考点,将零度的参考点取在绝对零度处，而不是0摄氏度处。

麻省理工公开课 - 热力学与动力学课程节选