Kev cuam tshuam tshwm sim yog ib qho ntawm cov phenomena nyob rau hauv cov txheej txheem yooj yim harmonic conduction, thiab cuam tshuam tshwm sim nyob rau hauv lub teeb nthwv dej, nthwv dej thiab suab tsis. Thaum ob lub teeb tsis cuam tshuam, qee qhov chaw yuav ci ntsa iab thiab qee qhov chaw yuav tsaus, uas yog, cuam tshuam fringes tshwm.
