A.0.35s,0.40s,0.45s B.0.25s,0.30s,0.35s,0.45s C.0.25s,0.30s,0.35s,0.40s,0.45s D.0.30s,0.35s,0.45s
A.0.45 B.0.55 C.0.65 D.0.75
A.風電站 B.火電站 C.水電站 D.核電站