She didn't hand in her first two assignments for chemistry, which started her out in the class with a failing grade.
她头两次的化学作业都没有交，这使她开始这门课时成绩就不合格。
The entertainment department of our Student Union organizes an activity in which each class shoots a short movie.
我们学生会的娱乐部组织了一次活动，每个班级要为此拍摄一部短片。
I went to the economics class straight from the botany class, which didn't help me any in understanding either subject.
我上完植物学课后直接去上经济学课，不过这对于我理解这两门科目都毫无帮助。
Ideas about social class—whether a person is "working-class" or "middle-class"—are one area in which changes have been extremely slow.
关于社会阶级的观念，判断一个人是“工人阶级”还是“中产阶级”，这是一个极其缓慢的变化过程。
There are twelve boys and thirteen girls in Class Four, which means 25 students in total.
四班有12个男孩和13个女孩，这意味着总共有25个学生。
My class started doing a special project in which we raised butterflies from caterpillars, and all of us watched the insects in our laboratory.
我们班开展了一项特别的课题，把毛毛虫养成蝴蝶，我们所有人都在实验室里观察这些昆虫。
A window pops up, in which you can type the name of any class in your workspace (see Figure 8).
将弹出一个窗口，您可以在其中键入工作空间中的所有类的名称(参见图8)。
Positioning himself as a champion of the middle class - which in America means blue-collar workers - Mr Obama adopted a relaxed tone on Wall Street profligacy.
奥巴马以中产阶级佼佼者的身份——在美国这表示蓝领阶层——用轻松的口吻讲述了华尔街人士的挥霍无度。
A member function with protected visibility can be invoked by any member function in the class in which it is defined or any subclasses of that class.
具有受保护可视性的成员函数可以由与该成员函数在同一个类中定义或其任何子类中定义的其它任何成员函数调用。
The Mirror Image and Session Facade patterns are useful for changing actors in use case diagrams into valid abstractions in class diagrams, which ultimately results in a cleaner translation to code.
对于将用例图中的参与者转换成类图中有效的抽象，镜像映象模式和会话虚包模式是很有用的，这样最终将能够更清楚地转换成代码。
A member function with private visibility can only be invoked by other member functions in the class in which it is defined, but not in the subclasses.
具有私有可视性的成员函数只能由与该成员函数在同一个类中定义的其它成员函数调用，而在子类中的成员函数不能调用该成员函数。
So let's go to some actual real examples, which might come more in handy for this class.
下面让我们来看一些正确应用它的例子，这些例子在这个课堂上应该更容易一些。
Coverage tests let you see which code is actually being executed in a class or application.
覆盖测试使您可以清楚一个类或应用程序中哪一部分的代码真正得到执行。
This article presents an alternative method in which you use a single database class to wrap multiple database tables.
本文提出一个替代方法：使用单个数据库类包转多个数据库表。
David Vivero isn't sure whether he falls into the king or rich model, which he studied in Wasserman's class.
大卫•威韦罗曾在瓦瑟曼的课上学过创始人模式理论，但他不确定自己到底属于国王型还是富有型。
I also wanted to show you the coconut passion cake we made in cake class, which is one of my favorite.
我也想向你展示一下我们在蛋糕班上做的椰果蛋糕，我的最爱！
One corollary for this is that it's possible to have multiple class loaders in a VM which have different class objects with the same name.
结果是，一个VM中有可能有多个类加载器，其中可能存在名字相同的不同Class的对象。
Instead, it's good to write a generic method in a class to simulate the above action, which inherits the GUI object class in the appobjects folder.
相反，在类中编写通用方法以模拟以上的操作就比较合适了，它继承了appobjects文件夹中的GUI对象类。
The ProcessConnector class in turn extends connector, which is the base class of the connector framework.
ProcessConnector类反过来扩展Connector，这是连接器框架的基础类。
Class-name is the fully qualified name of the class in which the method is declared (or a subclass thereof).
class - name是类的完全限定名，方法在此类(或其子类)中声明。
For example, a structural class called organizationalPerson (defined in RFC 2256) extends the person object class, which in turn extends the top object class.
例如，叫做organizationalPerson（在RFC 2256中定义）的结构性类扩展person对象类，后者又扩展top 对象类。
Another use of abstract classes is to create a single base class for multiple derived classes in which that base class should never be instantiated.
抽象类的另一个用途是为多个派生类创建一个基类，在这些派生类中，基类决不会被实例化。
The client application container needs to know which class in the client application JAR is the class to start.
客户机应用程序容器需要知道客户机应用程序JAR中的哪个类是要启动的类。
The basic plug-in, which supports class diagrams, is free, but more sophisticated versions are available for a fee.
支持类图的基本插件是免费的，但是更成熟的版本要付费才能使用。
In particular, each existing shape class has to add capabilities in a descendent, which runs into combinatorial complexities and difficulties in maintenance.
特别是，每个现有的形状类必须在子代类中添加功能，这使维护工作陷入了组合的复杂性和困难当中。
These are attributes, which map HTTP requests to methods in a class.
它们都是特性，用于映射HTTP请求到类中的方法。
Each object is an instance of a particular class, which can, in turn, serve as a template for many different objects.
每个对象都是特定类的一个实例，这个类可以作为多个不同对象的模板。
The middle class in Russia, which I'll talk about on Monday, was just absolutely miniscule.
而俄国的中产阶级，我会在下周一讲到，其所占比例微乎其微。
However, there are several cases in which preserving the order of declared class members would be useful.
不过，在某些情况下，若能保持所声明的类成员的顺序将非常有用。
However, there are several cases in which preserving the order of declared class members would be useful.
不过，在某些情况下，若能保持所声明的类成员的顺序将非常有用。
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