This translation process operations with units of the clause-level language (clause), and action steps are both on the bottom and lower (top-down) to log on (bottom-up)
Translation process is carried out with the language of clause (clause) and the procedure performed on both top down (top-down) and bottom to top (bottom-up).
This translation process operated with units of language level clause (clause) and the process can both on to bottom (top-down) and lower to on. (bottom-up).