第六章以附录的形式介绍了固网运营商主流促销套餐的折扣率测算模型。

As an appendix, chapter six presents the discount model of main tariff packages in fixed network carries.

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第六章以附录的形式介绍了固网运营商主流促销套餐的折扣率测算模型。

As an appendix, chapter six presents the discount model of main tariff packages in fixed network carries.

youdao