| 摘要 |
An integrated roof structure for a building is capable of collecting solar energy for use in the building and includes a plurality of parallel rafters, an outer roof cover secured to the tops of the rafters and having solar energy transparent portions between the rafters, and an inner roof cover secured to the bottoms of the rafters and having structurally reinforcing portions spanning the rafters and solar energy absorptive surfaces between the rafters and confronting the solar energy transparent portions to establish solar energy collecting bays bounded by adjacent rafters and the upper and lower roof covers.
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