A textual error or transcription mistake caused by confusing similar-looking characters.
在古籍整理中，常会遇到由于传抄失误而造成的乌焉成马现象，需要仔细辨别。
When collating ancient texts, one often encounters instances of "Wu Yan becomes Ma," where characters have been mistakenly copied due to their similar appearance, requiring meticulous verification.
Era:
Ancient
Frequency:
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