RFX全域函式会在资料来源的资料行和您的资料录集的栏位资料成员间交换资料。

The RFX global functions exchange data between columns on the data source and field data members in your recordset.

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类别中的变数栏位与全域或函式变数类似，但它只能在类别范围中作用，而且可以具有控制可视性与用法的不同属性。

A variable field in a class is similar to a global or function variable, except that it is scoped to the class and it can have various attributes governing its visibility and usage.

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对于全域通用子运算式最佳化，编译器会搜寻整个函式中有没有通用子运算式。

For global common subexpression optimization, the compiler searches entire functions for common subexpressions.

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