改进关于对设计类操作的需求。

To refine requirements on the operations of subsystems and/or their interfaces.

youdao

下面的表 2 中Flight类操作的映射。

The Flight class's operations are mapped in Table 2 below.

youdao

两类操作是可行的，具体取决于如何定义这个规则。

Two types of behaviors are possible, depending upon how this rule is defined. Update rules can be defined as follows

youdao

When I try and evaluate that expression of greater than, is going to go into the class to say greater than is a comp method.

这个大于的操作符的时候,是到类的定义里去识别，大于是一个比较的方法,那么让我在这里说仔细一点吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

These are instances of a class, and associated with that class are a set of methods things that I can deal with.

但是Python的基本思想是相同的，这是一些一个类的实例,这个类关联了一个方法集,我可以做的一些操作。

麻省理工公开课 - 计算机科学及编程导论课程节选