The phrase "are traditionally explained" is correct and usable in written English.
It can be used when discussing how certain concepts, phenomena, or practices have been interpreted or described over time in a conventional manner.
Example: "The origins of the festival are traditionally explained through various cultural myths and legends."
Alternatives: "are commonly described" or "are typically interpreted".
Many of the rites, such as bathing in cold water, are traditionally explained as the method used by Izanagi (the mythical male creator of Japan) to rid himself of the polluting effect of seeing the decaying body of his wife and sister, Izanami, in the land of the dead.
Specific difficulties in understanding logical-grammatical constructions are traditionally explained by the deficit of the quasispatial analysis and synthesis in the TPO area of the left hemisphere.
Changes in quantal size are traditionally explained by changes in postsynaptic responsiveness.
Such nuclear-mitochondrial discordances are traditionally explained by several factors.
Such features may provide useful information about the vascular system and are traditionally explained in terms of aortic valve closure or multiple reflections from impedance mismatches within the arterial system.
This deviation was traditionally explained by the existence of various kinds of jumps or in terms of continuous distributions of activation energies due to different kinds of disorder.
The existence of cooperatives is traditionally explained as substituting for market failures, serving as a market channel, and in the agricultural sector in particular, bringing countervailing power to farmers (Sykuta and Cook 2001; Hendrikse and Bijman 2002).
The Calimala's acquiescence is traditionally explained by Cossa's donation of the relic of the right index finger of John the Baptist (and 200 florins for an appropriate reliquary) to the Baptistry.
Metabolic acidosis of hypoxic states or anaerobic exercise has been traditionally explained by lactate production.
GC-skews within genes have been described by multiple previous studies and have been traditionally explained by transcription-coupled mutational pressures [ 13, 22- 24].
Enzyme selectivity has been traditionally explained by the "lock and key" model, which was subsequently complemented by the "induced fit" or "hand in glove", "selected fit", and "keyhole, lock, and key" models.
