英文關鍵字
audio
background
bandwidth
broadband
cable
closeup
coax
coaxial
communication
computer
connection
connector
console
data
design
digital
electric
electrical
electricity
entertainment
equipment
frequency
green
home
industry
input
internet
isolated
line
metal
mixer
music
network
optical
plug
port
radio
receiver
server
signal
sound
studio
system
technology
television