短語詞組短語spherical symmetry stability 球?qū)ΨQ穩(wěn)定spherical symmetry detail 球麪對稱non -spherical symmetry spacetimes 非球?qū)ΨQ時空one center spherical symmetry 單中心球?qū)ΨQgeneral spherical symmetry 廣義球?qū)ΨQone -center spherical symmetry 單中心球?qū)ΨQvacuum spherical symmetry gravity field 真空球?qū)ΨQ引力場spherical symmetry gradient index distribution 球?qū)ΨQ梯度折射率分佈 返回 spherical symmetry