| 单词 |
helmholtz coil |
| 释义 |
helm·holtz coil
\ˈhel]mˌhōlts, ˈheu̇]\ noun
Usage: usually capitalized H
Etymology: after Hermann L.F. von Helmholtz died 1894 German physicist
: one of two equal parallel coaxial circular coils in series that are separated from each other by a distance equal to the radius of one coil for producing an approximately uniform magnetic field in the space between the coils |
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