messages: EACH ARTICULATED SYSTEM 13 COMPRISES IN ADDITION A SECOND POLYGON ACCORDING TO THE ILLUSTRATED EXAMPLE A DEFORMABLE QUADRILATERAL DRAWN IN FIGS.
messages: assistant
messages: TRADUIRE CE CONTENU
messages: user
messages: CHAQUE SYSTÈME ARTICULÉ 13 COMPREND, EN OUTRE, UN SECOND POLYGONE ET, SELON L'EXEMPLE ILLUSTRÉ, UN SECOND QUADRILATÈRE DÉFORMABLE 26, SCHÉMATISÉ AUX FIG.
messages: assistant