This article examines the three timer classes and helps you gain an understanding of how and when each class should be used.
本文章将研究这三个类并让你理解如何及何时应该使用哪一个类。
When an attribute does not have the static modifier, it is said to be an object attribute, as that property is unique for each instance of the class.
当一个属性不具有静态修饰符时，就称其是一个对象属性，因为该属性对类的每个实例都是惟一的。
When you created the NIB file, you also created the controller class for each view.
在您创建NIB文件之后，您还需要为每个视图创建控制器类。
However, this increase is offset by the decreased maintenance in each class and can be decreased even more when proper reusability is gained.
但是，通过减少每个类中的维护可以弥补这个缺点，甚至在获得正确的可重用性时反而可以减少工件量。
When I add new features to a class, each new member can see the other visible members, so the theoretical complexity increases.
在类中添加新特性时，每个新成员都能看到其他可见的成员，这增加了理论上的复杂性。
Figure 7 presents the persistence model when each concrete class is mapped to a data entity.
图7显示了将每个具体类映射成数据实体时的持久性模型。
In addition, when you use partial classes, a mapping model is used to direct each definition of the partial class into a file based on your requirements.
另外，当您使用局部类型时，应用映射模式基于您的需要，可以指导局部类型的每个定义成为一篇文档。
When copies of the singleton class run in multiple VMs, an instance is created for each machine.
当单例类的副本运行于多个虚拟机中时，每个虚拟机都会为其创建一个实例对象。
When an instance of the class is created, each field corresponding to a parameter in the parameter list will be initialized with the parameter automatically.
当类的一个实例被创建时，每一个参数对应的字段都会被参数自动初始化。
When the bot is used, this property is read and each custom class is run as a thread of the main Watchit bot.
当使用bot时，该属性会被读取且每个自定义类作为主watchit bot的一个线程运行。
Each section Outlines an individual stereotype, the details of which specify its meta class, properties, and any constraints which should be applied when using the profile.
每个部分略述了一个单个的原型，它的细节详细说明了它的元类、属性以及在使用该profile时应该应用的任何约束。
When we've finished coding each class, we move on to that class's collaborators, until no stubbed classes are left without a real implementation.
当我们完成了对每个类的编码后，我们继续对这个类的合作者编码，直到所有stub出来的类都有一个真正的实现。
When a transformer instance is registered with the Instrumentation class instance, that transformer instance will be called for each class being created in the JVM.
当使用instrumentation类实例注册一个转换器实例时，将会为在JVM中创建的每个类调用该转换器实例。
As you will see later, each of the vars in the class declaration becomes a named parameter when constructing an instance of the class.
随后将看到，在构建类实例时，类声明中的每个var将成为一个命名的参数。
This serialization is commonly the case when custom payload types are packaged in the portlet WAR file because each Web module is deployed in its own class loader.
当在PortletWAR文件中对自定义有效负载类型打包时，通常就会出现这种序列化情况，因为每个Web模块是在各自的类加载器中进行部署的。
Try to make friends with at least one person from each class that you take. That way you can help each other out when one misses class etc.
尽可能的和至少一个与你选了同一门课的同学交朋友，当你因为一些原因缺课时，你就会找到一个可以给你帮助的人；
"Each time when the class starts at first I feel tired from work," said male student Koji Takahashi, 45.
45岁的花道学员高桥浩治说：“因为工作原因，每次刚上课的时候，我都感到十分疲倦。”
This, combined with the different class loader implementations in each application server, can potentially create problems when migrating.
这一点，再加上每个应用服务器中的不同类加载器实现，会为迁移带来潜在的问题。
It also stuck when they looked at each class of drugs on its own, and was strongest for stimulant drugs that target attention problems and hyperactivity, and drugs for addiction.
当审视他们服用的药物时，会发现他们最倾向于服用针对注意力问题和多动症的兴奋剂药物和抗成瘾药物。
When a class is defined in multiple files, the definition in each file must be identical.
如果在多个文件中定义一个类，那么每个文件中的定义必须是完全相同的。
Multiple class loaders occur more commonly than you might think. When browsers load classes from the network for use by applets, they use a separate class loader for each server address.
多个类加载器出现的时候比想象的要频繁，当浏览器加载applet时，它会为不同的服务器使用不同的类加载器。
For each fixture type, this document explains the table format and fixture class structure and provides advice when to use and when not to use it.
文档针对每一种fixture都解释了其表格格式和fixture的类结构，还为使用这种fixture的具体时机提供了意见。
In addition to the required reader, or when the required reader does not cover the material taught in class, there will also be printed materials to be handed out at the beginning of each class.
除了必读资料外，当必读资料无法涵盖该节课所要教的内容时，在每节课开始时也会分发一些印刷的教材。
Thee learning becomes active when each learner spends 80% of class time speaking in English.
当每一个学习者用80%的课堂时间进行英语口语练习时，学些就变成主动的了。
When you compile a generic class, MSIL contains placeholders for each parameterized type.
当你编译一个范型类时，MSIL为每一个参数化的类型预留了空间。
I want to say, remember the knowledge you have learned from each class. It will provide you a shortcut, at least a reference to you when meet the similar problems or task next time.
我想说的是，将这些从每一堂课里学来的知识铭记在心，它会为你开辟一条捷径，或至少是在下一次遇到相似问题时的一个参考。
When picking up drill pipe, visually check each joint of pipe picked up to be sure it is in proper sequence according to weight, grade and class as designed.
串接钻具时，要按照设计逐根检查，以便确认每个单根的重量、钢级和下井顺序正确无误。
It's that special time each year when college students are liberated from class for one full week, to rest and prepare for the exam season ahead. Or not.
每年的某个特定时期，大学生都能有一整周的假期，他们养精蓄锐，为接下来的考试季做准备，或者就是玩玩玩。
It's that special time each year when college students are liberated from class for one full week, to rest and prepare for the exam season ahead. Or not.
每年的某个特定时期，大学生都能有一整周的假期，他们养精蓄锐，为接下来的考试季做准备，或者就是玩玩玩。
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