| 释义 |
DDN may stand for: - Dayton Daily News, a daily newspaper in Dayton, Ohio
- Digital Divide Network, a spinoff of Helping.org
- Defense Data Network, a separate instantiation of the ARPANET used by the U.S. Department of Defense from 1983-1995
- Dehradun railway station, (station code: DDN)
- Daydream Nation, an album by Sonic Youth
- Digital Delivery Network, a service of the Community Radio Network in Australia
- Dustin's Daily News, comedic current affairs TV show
- Drink and Drugs News, a UK-based magazine for the substance misuse sector
- Digital Distribution Netherlands, a Dutch digital music distributor
- DataDirect Networks, a provider of massively scalable data storage systems
- Dot-decimal notation, a human readable way to write IPv4 internet addresses
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