©‚ΰ‚Η‚ι

ƒŠƒ“ƒNW

¨NASA Earth's Nightlights

¨Cities at Night:The View from Space

¨Statistical Review of World Energy 2009

¨Ž‘ŒΉƒGƒlƒ‹ƒM[’‘@ƒGƒlƒ‹ƒM[”’‘

©‚ΰ‚Η‚ι