Stanford torus
外觀
![](http://178.128.105.246/cars-http-upload.wikimedia.org/wikipedia/commons/thumb/2/24/Stanford_Torus_interior.jpg/220px-Stanford_Torus_interior.jpg)
Stanford torus sī chi̍t khoán khong-sióng ê khoân-hêng thài-khong khiā-khí si-siat, sī NASA tī 1975 nî tiām Stanford Tāi-ha̍k chò ê gián-kiù siat-sióng.
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