Complex sentence: The rhombicuboctahedron is constructed from the cube or the octahedron in an analogous way; thus, the runcinated tesseract may be thought of as the 4-dimensional equivalent of the rhombicuboctahedron.
Split into simpler sentences: The rhombicuboctahedron is also constructed from the cube or the octahedron in an analogous way to the runcinated tesseract. Hence, the runcinated tesseract may be thought of as the 4-dimensional analogue of the rhombicuboctahedron.