最后，对全文进行了总结，提出了模型的一些局限之处，并对广告媒体组合的深度研究提出了个人看法。

Finally, general conclusion has been made and indicates the problems which prevent the model development. The further research direction on advertising media mix has been put forward.

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对各种广告媒体的类型与特征进行有计划、有步骤的选择和组合。

Media plan, which means arrange and choose all kinds of advertising medias according to their types and features with measured strokes.

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