Source: wikibot/shang-yi-ch-en

= Shang-Yi Ch'en
{wiki=Shang-Yi_Ch'en}

Shang-Yi Ch'en appears to refer to a person rather than a widely recognized term or concept. Unfortunately, I don't have specific information about an individual by that name in my training data. If they are a public figure, scientist, or author, additional context would be helpful.