Complex sentence: The state of the system is described by the generalized coordinates'momentum'\\ boldsymbol and'position'\\ boldsymbol where both\\ boldsymbol and\\ boldsymbol are vectors with the same dimension.
Split into simpler sentences: The state of the system is described by the generalized coordinates'momentum'\\ boldsymbol and'position'\\ boldsymbol. Both\\ boldsymbol and\\ boldsymbol are vectors which have the same dimension.