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Update 24_Automatic_Reference_Counting.md

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Jie Liang
2021-02-03 07:33:11 -06:00
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@ -230,7 +230,7 @@ unit4A = nil
// 打印“Apartment 4A is being deinitialized” // 打印“Apartment 4A is being deinitialized”
``` ```
由于再也没有指向 `Person` 实例的强引用，该实例会被销毁： 由于再也没有指向 `Apartment` 实例的强引用，该实例会被销毁：
![](https://docs.swift.org/swift-book/_images/weakReference03_2x.png) ![](https://docs.swift.org/swift-book/_images/weakReference03_2x.png)