特殊用法biological universe1.生物界closed universe1.闭宇宙Einstein universe1.爱因斯坦宇宙Einstein static universe1.爱因斯坦静止宇宙expanding universe1.膨胀宇宙finite universe1.有限全域Friedmann universe1.弗里德曼宇宙hypothetical universe1.假设总体infinite universe1.无限全域island universe1.岛宇宙isotropic universe1.各向同性宇宙Lemaitre universe1.勒梅特宇宙material universe1.物质界Minkowski universe1.闵可夫斯基宇宙open universe1.开宇宙static universe1.静止宇宙statistical universe1.统计全域universe of discourse1.论域