Complex sentence: In the hyperbolic plane points as in the Euclidean plane can be uniquely identified by two real numbers, other than in Euclidean geometry where all Cartesian coordinate systems are fundamentally the same in hyperbolic geometry there are fundamental differences.
Split into simpler sentences: In the hyperbolic plane, as in the Euclidean plane, each point can be uniquely identified by two real numbers. In Euclidean geometry, all Cartesian coordinate systems are fundamentally the same, but hyperbolic geometry there are fundamental differences.