These classes are instances of the vehicle type.

这些类都是工具类型的例子。

youdao

The class diagram shown in Figure 8 shows our vehicle rental analysis classes, the relationships between them, and an initial start on the attributes appropriate to be owned in each class.

图8中的类图上展示了汽车租借的分析类、它们之间的关系以及每个类所拥有的一些基本的属性。

youdao

The code for the model element Vehicle is shown in Listing 9. Although the definitions for these interfaces are similar to those of classes, the operations under these interfaces are always abstract.

这个模型元素vehicle的代码显示在列表9中。尽管这些接口的定义与那些类定义十分相似，但是这些接口下面的操作通常是抽象的。

youdao

To help consumers make more cash-sensible car-buying decisions, KBB recently announced its annual Total Cost of Ownership Awards in 22 separate vehicle classes.

FORBES: The Cheapest Cars To Own

We then compared used-car prices among the top performing 2009 models in each of 14 separate vehicle classes to find which models offer the proverbial most bang for the buck, according to the most-current data provided by Kelley Blue Book.

FORBES: The Best Used Cars For Your Money