| 单词 | quantum Hall effect |
| 释义 | quantum Hall effect [`kwän·tǝm `hȯl i´fekt] ELECTRONICS A phenomenon exhibited by certain semiconductor devices at low temperatures and high magnetic fields, whereby the Hall resistance becomes precisely equal to (h /e2)/n, where h is Planck's constant, e is the electronic charge, and n is either an integer or a rational fraction. |
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