PRUJINA, f a n a r mekhanizmest, ki deformatsiya khurda, energiyai mekhanikiro furu menishonad yo khud onro gun va taqvil medihad. Prujinahoi qatshavanda, tobkhuranda, vaseshavanda (fishurdashavanda)-ro farq mekunand; silindri, konusi, tabaqi, halqavi, lavhavi va gayra meshavad.
Инчунин кобед
SADUDDINI HAMMUI Muhammad ibni Juvayni
SADUDDINI HAMMUI Muhammad ibni Juvayni (soli tavallud nomalum — Vafot 1252), yake az namoyandagoni mashhuri …