The classes are keyed to the needs of advanced students.
这些课是针对高年级学生的需要开设的。
It is compulsory that students should attend all the classes.
学生有义务上参加所有的课程。
Make sure you include all the classes you will have taken for your degree in finance and the electives too.
你要确保把获得金融学位所需的所有课程和选修课都包括在内。
Just an introduction to the classes of potential foreign invaders that our immune system tries to defend us against.
这只是对我们的免疫系统试图防御的潜在外来入侵者的分类介绍。
Though there are clearly arguments on both sides, it seems to me that we should teach children about the past because the advantages of teaching the subject go beyond the contest of the classes.
虽然双方都有明确的争论，但在我看来，我们应该教孩子们关于过去的知识，因为教授这门学科的好处超出了课堂上的竞争。
Some people are unwilling to attend the classes partly because of the cost involved.
有些人不愿来上课，部分原因是所需的费用问题。
The students who are most successful are usually the ones who come to all the classes.
成绩最好的学生往往是出全勤的那些。
We have increased the number of teachers but the size of the classes hasn't changed proportionately.
我们已增加了教师的数量，但班级的大小并没有成比例地改变。
But one of the classes I registered for is missing.
但是我报名的课少了一节。
I've asked for volunteers in all of the classes I teach, but no one has responded.
我已经在自己所教的所有班上问过了志愿者相关事宜，但是没有人响应。
In the morning school starts at 9:00 and the classes finish at 12:00. In England, students have lunch at school.
学校早上9点开门，12点下课。在英国，学生们会在学校吃午饭。
The Ergative Hypothesis distinguishes one of the classes of intransitive verbs—unergative verbs (UV).
格律性假设区分了一类不及物动词的——非作格动词（UV）。
我想去上那舞蹈课。
Figure 2 shows the relationships among the classes.
图2展示了类之间的关联。
The classes used so far have a couple of design flaws.
目前使用的类有几个设计缺陷。
Select all the classes in the diagram shown in Figure 3.
选择在图3中所显示图的所有类。
What happens if, say, one of the classes has no members?
如果一个类没有成员，会发生什么？
A more detailed explanation of the classes follows below.
有关这些类的详细说明如下所示。
Too few, and the management of the classes becomes onerous.
如果太少，类的管理会很费力。
The classes in Figure 6 show both attributes and operations.
图6中的类既显示了属性又显示了操作。
In line 19-39 you see all the classes used in the application.
在第19 - 39行中，您看到了该应用程序中所使用的所有类。
The classes in Listing 2 show how this recursive loading works.
清单2中的类显示了这一递归装入的工作方式。
The classes range from golf to tea ceremonies to nutrition.
高尔夫球，茶艺以及营养学同样也被列入了选修课名单。
The diagram below shows the classes in the sample implementation.
下图显示了示例实现中的类。
A copy of all the classes is included in the attached archive.
本文随附的归档文件中包含了所有类的一个副本。
It shows the classes that are defined with the template parameters.
这里显示了使用模板参数定义的类。
Some kids study in the corridors as the classes are overcrowded.
教室人满为患，一些孩子只好在走廊上课。
The viewer displays all the classes loaded for the database pool sample.
该查看器显示了为数据库池示例加载的所有类。
Then, name the classes you need and define the styles for those classes.
然后，决定需要的类名并为这些类定义样式。
The classes last forever, and the instances have a limited lifetime.
类是一直存在的，而实例具有有限的生命周期。
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