Clock synchronization network
Digital Synchronization Network
Network Synchronization
network synchronization technique
NS Network Synchronization
NSS Network Synchronization Subsystem
power digital synchronization network
Railway time synchronization network
synchronization network
synchronization network managemen
Time Synchronization Network
Network-Network Interface
NNI Network network interface
PNNI Private Network-Network Interface
Private Network-Network Interface (PNNI)
Synchronization and anti-synchronization
Orthogonal Experiment Design or Orthogonal Design
back propagation network BP network