这个词是什么意思？
A class of devices combining electrical and mechanical components that have at least one of the dimensions in the micrometer range (between 1 micron and 1 millimeter). They include sensors, actuators, microducts, and micropumps.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D055617 · MeSH 2026。
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