| 摘要 |
An object level is set as an attribute that specifies a virtual object, and a user level is set for an application program, user, or the like that uses this virtual object, and the attribute of the virtual object is determined in accordance with the object and user levels. For example, a virtual attribute is determined in accordance with the magnitude relationship between the two levels. In this way, when the attribute of the virtual object is to be changed, the user need not select virtual objects to be changed one by one to perform change processes, and can easily change the attributes.
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