Does anyone know what 'DDN' means?

The original poster: don't know Views: 152 Replies: 3 Posted in: 2012-08-26 20:41:47

don't know

Same topic. (Don't say no one knows, those who like to keep secrets would rather break an egg than reply)

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positive sequence reverse order

Sakura falls and drifts away @2Amor bleak 2floor

I'm just a newcomer.

Brothers, Broken Blade - I miss you. 3floor

No............

Shenglin@青蓝@天@三人@寷WL is here to change the name again@The long one is easy to recognize@ 4floor

DDN (Digital Data Network, digital data network, that is, the dedicated line internet access method commonly referred to)

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