First, it often deals with areas in which the basic physics or chemistry are well understood, but the problems themselves are too complex to solve in an exact manner.
Dǎɣ tazəydert, eqal agud as idəgan dǎɣ wis physique meɣ əhimie ən talilt aqalan atwəssən hulen mašan itaraqatan imanes aqalan ayknan assuhu ye amukən as alməɣnat iknan.