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.
不过，当您使用某个采用引用计数的数据结构时，您必须记得运行引用计数函数。
In a reference counting system, however, neither of the objects can be destroyed, because the reference count never reaches zero.
而在引用计数系统，这两个对象都不能被销毁，原因是引用计数永远不能为零。
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，通常还有其他两种方法用于处理别名问题：引用计数和所有权管理。