英文關鍵字
5g
abstract
art
background
bar
blue
broadcast
broadcasting
circle
color
colorful
communication
decoration
design
display
dvd
education
geometric
graphic
gray
green
grey
grid
introduction
lcd
monitor
screen
multi
old
pattern
program
quality
retro
shape
signal
signs
static
stripes
study
symbol
telephone
television
test
textile
tv
studio
video
watching