| 摘要 |
In one embodiment, a seat includes a stiff substantially continuous first sheet suspended at three points on a stiff substantially continuous second sheet. In one embodiment, the first sheet defines a generally flat first wing and a first nose projecting forward from a center of the first wing, the second sheet defines a bow shaped second wing and a second nose projecting forward from a center of the second wing, and the second wing is positioned under the first wing such tha t left and right sides of the first wing are supported on uplifted ends of the seco nd wing and the first nose is supported on the second nose.
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