variable references meaning in English

变量引用

Create a variable reference for each actions pane control in the declarations section of
的声明部分为每个操作窗格控件创建一个变量引用，如下所示：
Make sure the object variable references a valid object , and specify or respecify a reference for the object
确保对象变量引用有效的对象，并为该对象指定或重新指定一个引用。
If a reference type is assigned to a variable , that variable references or " points to " the original value
如果为某个变量分配一个引用类型，则该变量将引用（或“指向” ）原始值。
If it is passed back in an output parameter , the cursor is deallocated when the last variable referencing it is deallocated or goes out of scope
如果output参数将游标传递回来，则游标在最后引用它的变量释放或离开作用域时释放。
As part of your refactoring , you can see how a nave parse would make it challenging to distinguish between local references and instance variable references
的引用，那么就会明白一个单纯的解析会使区分本地引用和实例变量引用成为一个难题。

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