特别是，科幻小说是散文小说的一个子类，因为几乎每一部科幻小说都是短篇或长篇小说。
Especially, science fiction is a sub-class of prose fiction, for nearly every piece of science fiction is either a short story or a novel.
特别是，科幻小说是散文小说的一个子类，因为几乎每一部科幻小说都是短篇小说或长篇小说。
Specially, science fiction is a sub-class of prose fiction, for nearly every piece of science fiction is either a short story or a novel.
美国想要取消电子类产品的关税。
America wants to eliminate tariffs on items such as electronics.
检查他们使用的句子类型，注意他们的隐喻，并专注于你认为可以写出很酷的续篇的故事。
Examine types of sentences they use, pay attention to their metaphors, and focus on stories you feel you could write a pretty cool sequel to.
通过添加包装程序类，您打破了子类型的多态性。
By adding a wrapper class, you have broken subtype polymorphism.
以下是一些常见的中国扇子类型。
减少了子类及其超类之间的耦合。
主表具有父类和子类的所有列。
The master table has all of the columns of the parent and all subclasses.
这允许子类根据需要仅覆盖一些方法。
'SSS '指出了错误消息子类。
在编程语言中，通过子类提供这一能力。
In programming languages, this capability is provided by subclasses.
具体子类的查询只生成该子类的SQL。
A query on a concrete subclass only generates SQL for that subclass.
确保目标对象及其子类可以访问工厂方法。
Assure that the factory method is accessible to the target object and its subclasses.
所提供的用于生成子类的基本实现有三种。
There are three base implementations provided for subclassing.
子类必须提供每个方法的实现。
A child class must provide an implementation for each method.
注意子类的索引在这里非常重要。
列表值的引用存储在子类内。
层次结构将显示所选元素的子类型。
The hierarchy displays the subtypes for the selected element.
第二个查询中不需要包含其他子类中的属性。
Also the second query doesn't need to include properties in other subclasses.
这意味着该类的任何子类都无法声明终结器。
This means that no subclass of that class can declare a finalizer.
优点和上面的“每个子类一张表”策略相似。
The pros are similar to the above "Table per Subclass" strategy.
为何模式中没有子类？
类型和子类型之间用分号(；)分隔。
但是无需注册即可发布实验性子类型。
However, you can designate experimental subtypes without registration.
为了查看子类层次，选择Incoming。
通过这种策略，每个子类都会拥有其自身的表。
它们也可以被认为是将类映射到新子类的函数。
They can also be thought of as functions mapping classes to new subclasses.
变量类型应该匹配的原子类型。
这个类有许多可以从不同来源构造图像的子类。
This class has a number of subclasses that can construct images from different sources.
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