ethernet passive optical networks
1550 nm Optical network
Active Optical Network AON
Adaptive Optical Network
Automatic Switch Optical Network
Drug supervision network and drug supply network
network Embryonic communication network
self-organizing mapping network SOM network
gigabit media access control
optical fiber converter of gigabit Ethernet
bei (被) passive sentences
3-D single observer passive location
a combination solution of the active and passive method to reduce noise