A takaice bayanin:

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Tare da yawan yankan sake haduwa da hanyar bangon bangon (tord don gajere) ya bambanta da hanyar ?asa hade da hanyar (SMW). Tare da hanyar td, siliki an sayen kayan aikin dogaro da sashe na rectangular "yankan post" da kuma sanya shi a cikin ?asa, don yin agogon ?asa, don yin kokawa ta diphragm. An fara inganta wannan hanyar a Japan a 1994 don sanya bangon yanke ko bango na ?asa, wanda aka yi amfani da shi sosai a cikin rukunin yanar gizo a Japan tun 1990s. Hanyar td samun saurin ci gaba, tunda an fara gabatar da TRD a kasar Sin a shekara ta 2019. Kawai a cikin shekarar da TRD ta yi kusan miliyan 1 a cikin gida.