| 1. | An object that can be accessed by a strong reference
可以通过强引用访问的对象。 |
| 2. | Still maintains a strong reference to it
仍然保持对该对象进行强引用。 |
| 3. | For example , the following line of code shows a strong reference ,
举例来说，下面一行代码显示的就是强引用 |
| 4. | Not a strong reference
引用，而不是强引用。 |
| 5. | Are all strong references
）都是强引用。 |
| 6. | To track with a weak reference . instead of waiting for garbage collection to occur , a
属性的值赋给变量来创建对目标的强引用。 |
| 7. | Before the reference classes were introduced , only strong references were available
在引入引用类之前，我们只能使用强引用（ strong reference ） 。 |
| 8. | While loop because the strong reference keeps it from being garbage collected . the implementation of
循环体中消失，因为强引用会防止它被垃圾收集。 |
| 9. | Is weak or strong , and controls access to the object through its entry in the rot
的引用是弱引用还是强引用，并通过对象在rot中的项控制对它的访问。 |
| 10. | You must remember that to make use of these classes you cannot maintain a strong reference to the object
您必须记住，要使用这些类，您就不能保留对对象的强引用。 |
