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Energy Orb
ecol.
能源球
一个水晶球形的物体,它可以在一些特定时刻呈现出不同的颜色,显示一座楼内的能源使用状态,其设计者为奥伯林学院 (Oberlin College) 环境研究项目主任约翰・彼得森 (John Petersen)
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