英文關鍵字
alternative
battery
beam
blue
cell
clean
collect
collector
eco
ecological
ecology
electrical
electricity
energy
environment
equipment
field
generate
generator
global
green
harmless
heat
home
industry
innovative
light
modern
module
mounted
nature
new
outdoor
panel
photovoltaic
power
renewable
resources
roof
row
science
sinlight
sky
solar
station
sun
sunlight
system
technology
transform