Go in the IDL tab :再转到idl标签：
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Go back in the UML tab, change first the type of the relation to have an association (bi directional) then do the other modifications to have :
回到UML标签，首先改变关系的类型为具有双向的关联，然后做其它的修改，使之如是：
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Go in the C++ tab and hit the button Default declaration for the two roles : 转到C++标签，然后按 Default declaration 按钮，则有两极（两端）：
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Go in the Java tab and hit the button Default declaration for the two roles : 转到Java标签，然后按 Default declaration 按钮，则有两极（两端）：
Go in the IDL tab and hit the button Default declaration for the two roles : 转到IDL标签，然后按 Default declaration 按钮，则有两极（两端）：
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