这个词是什么意思？
The study, control, and application of the conduction of ELECTRICITY through gases or vacuum, or through semiconducting or conducting materials. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D004581 · MeSH 2026。
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