英文關鍵字
alternative
blue
clean
corn
ecological
ecology
electric
electrical
electricity
energy
environment
environmental
equipment
field
follow
future
generation
generator
grass
green
hotovoltaic
industry
innovation
innovative
landscape
lapse
modern
natural
nature
panel
photocell
plant
power
recycling
renewable
sky
solar
source
station
sun
sunlight
sunny
supply
sustainable
system
technology
time
timelapse
tracking
voltage