Before the birth of photographic technology, those cultural relics that had been damaged and disappeared or could not be collected for various reasons relied on Motuo to enter the field of vision of researchers. Moreover, many cultural relics need to be properly collected and carefully protected, and can not be touched repeatedly. Through ink extension, researchers can not only obtain the materials needed for research, but also avoid contact with cultural relics for many times, resulting in cultural relics being polluted or damaged. Modern photographic technology is well developed, but the presentation of details is still not as intuitive and clear as Motuo. Motuo can clearly show the words and patterns on stone carvings and artifacts on paper for researchers to use.
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Motuo is superior to photographic technology in the study of cultural relic preservation literature