这个词是什么意思？
A process by which a product or service takes root initially in simple applications at the bottom of a market and then relentlessly moves up market, eventually displacing established competitors. (http://www.claytonchristensen.com/key-concepts)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000079203 · MeSH 2026。
Courtesy of the U.S. National Library of Medicine. Annual snapshot; later updates may not be reflected. NLM does not endorse this service.