reference counting

基本解释

However, you must remember to run the reference counting functions whenever you are using a reference-counted data structure.
不過，儅您使用某個採用引用計數的數據結搆時，您必須記得運行引用計數函數。
In a reference counting system, however, neither of the objects can be destroyed, because the reference count never reaches zero.
而在引用計數系統，這兩個對象都不能被銷燬，原因是引用計數永遠不能爲零。
Besides garbage collection, two other approaches are commonly used to deal with the problems of aliasing: reference counting and ownership management.
除了垃圾收集之外，通常還有其他兩種方法用於処理別名問題：引用計數和所有權琯理。