Students can apply to upgrade to a higher level, but first-year students are not allowed to change class time or choose lecturers by their own.
大一新生仅能申请向上升级（如中级转高级），不能申请调换上课时段，或同级数更换授课老师。
Mrs. Brown came in and told the whole class they would have to change the classroom the next week.
布朗太太走了进来，告诉全班同学下星期他们必须更换教室。
When twelve-year-old John Wilson walked into his chemistry class on a rainy day in 1931, he had no way of knowing that his life was to change completely.
1931年的一个雨天，12岁的约翰·威尔逊走进他的化学教室，那会儿他完全不知道自己的生活将彻底改变。
Notice that when you change the variables on one equivalence class, that change cascades to the other classes.
注意，当您改变一个等价类的变量时，这个变化会串联影响到其他等价类。
If the code that you want to call already exists, just change the class name to match its name.
如果您想调用的代码已经存在，则只需改变类名以与它的名称匹配。
This plan means real change: It will strengthen the middle class, not just Wall Street CEOs and special interests in Washington.
这个计划意味着真正的改变：它将加强中产阶级，而不只是华尔街的CEO或华盛顿的特别兴趣。
If you only have a concrete class, you can create an interface from the class, change your application code to program to the interface, and then proceed as described above.
如果您只有一个具体的类，那么您可以从类中创建一个接口，您的应用程序代码改写为接口，然后按照前面的描述继续进行。
The UK is at the forefront of tackling dangerous climate change, underpinned by world class scientific expertise and advice.
英国处于应对气候变化危险的前沿，这得益于世界一流科学技术和建议的鼎力支持。
A module name or location change is conceptually similar to a class name change but must be handled quite differently.
在概念上，模块的名称或位置的改变类似于类名称的改变，但处理方式却完全不同。
That class detects the change in partner selection for the right-click menu and specifies how many people are selected.
这个类检测针对右键菜单而进行的合作伙伴选择情况的变化，并确定选择了多少个人。
This process has a variety of USES for developers who want to modify a class without touching the source, or want to change the class definition dynamically at run time.
对于希望修改类而不触及源代码，或者希望在运行时动态修改类定义的开发人员，这个过程可以实现多种用途。
Be sure to change the package, class, and constructor names in the Java code to match the project name.
确认代码中的包名、类名以及类构造函数名都已改为与项目名一致。
In this way, you can change the concrete class later without changing the library code, which relies solely on the definition you created in the interface.
这样，日后就可以在不改变库代码的情况下修改具体的类，因为库只依赖接口中创建的定义。
There was no frustrated incipient middle class urging change in 1978.
1978年新生的中产阶级并不沮丧，也不要求变革。
Even building a JAR file from the class files doesn't change this — the JAR is just a container for the class files.
即使从类文件构建JAR文件也不会改变这一点—jar只是类文件的容器。
You can consider it when writing your classes to make sure that when you need to extend their behavior you don't have to change the class but to extend it.
你应该在编写类的时候考虑到它，以确保当你需要扩展它们的行为时，你不需要修改类实现，只需要扩展它。
If you are a nonregular in South Korea, your life is second class. I must change the reality.
作为临时工，在韩国只能是二等公民，所以我必须改变现状。
It publicly shames the students, removes them from the learning setting in class, and doesn't change their behavior.
这会让孩子当众感到羞愧，让他们离开原本坐在教室里学习的位置，却并没有改变他们的行为。
That is, you can change the default class names of the JPA entitles provided.
这就是说，您可以更改所提供JPA实体的默认类名。
They can also perform impact analysis to find out all the use cases that are impacted because of a change to a class or database table.
他们也可以执行影响分析，从而找到所有会受到修改类或者数据库操作影响的用例。
This change to the utility class is the first since the Collections Framework debuted in J2SE 1.2.
自从集合框架初次出现在J2SE 1.2 中以来，人们第一次对实用工具类进行了更改。
The warning comes in new international study into the links between climate change and a class of man-made toxins called persistent organic pollutants.
这样的警告来自于一份全新的国际科学报告，它详细研究了气候变化与名为“持久性有机污染”的一系列人为有毒物质之间的关系。
Next, you need to modify the Now.php class. Change the contents of this file to the code in Listing 10.
接下来，您需要修改Now . php类，将该文件内容更改为清单10所示的代码。
Although you could change the Grails class to match the names in the USGS table, that could involve a pretty extensive rewrite of the application.
虽然可以改变grails类，使它与usgs表中的名称相匹配，但是这要大量改写应用程序。
The mapping between a class and its ProtectionDomain is set up when the class is first loaded and will not change until the class is garbage collected.
一个类与其ProtectionDomain之间的映射是在类第一次装载时设置的，并在类被垃圾收集之前不会改变。
This principle states that if we have 2 reasons to change for a class, we have to split the functionality in two classes.
这个原则指出，如果有两个原因去修改一个类，我们必须拆分它的功能到两个类中。
A specialized type does not need to change the class attribute for elements that it does not specialize, but simply reuses by reference from more generic levels.
专门化类型不一定要改变未专门化元素的class属性，值需要通过引用更一般的层级重用。
You could change the Dispenser class to save the updated counter value to a file, but that would lead to new problems because of the synchronization not being coordinated across process boundaries.
您可以更改dispenser类以将更新的计数器值保存到一个文件中，但这可能导致新的问题，因为没有在各个进程之间协调同步。
To change the name of a class without breaking previously pickled instances, follow these steps.
要更改类名，而不破坏先前经过pickle的实例，请遵循以下步骤。
To change the name of a class without breaking previously pickled instances, follow these steps.
要更改类名，而不破坏先前经过pickle的实例，请遵循以下步骤。
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