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| υπόδειγμα αντικειμένου-ενέργειας (The basic interaction model for the user interface in which the object to be acted upon is specified first, followed by the command to be executed) | |||
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| υπόδειγμα αντικειμένου-ενέργειας (The basic interaction model for the user interface in which the object to be acted upon is specified first, followed by the command to be executed) | |||