英文關鍵字
aerial
antenna
base
blur
blurred
broadcast
cable
cell
cellphone
cellular
communication
connection
digital
electricity
film
focus
forest
grain
granularity
gsm
human
information
internet
mobile
motion
net
network
noise
phone
power
radar
radiation
receiver
selective
sharpening
signal
site
soft
station
technology
telecom
telecommunication
telecommunications
telephone
television
tower
transmit
wave
wifi
wireless