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单词 d'Arsonval galvanometer
释义 d'Arsonval galvanometer
[`dars·ǝn´vȯl gal·vǝ`näm·ǝd·ǝr]
ENGINEERING
A galvanometer in which a light coil of wire, suspended from thin copper or gold ribbons, rotates in the field of a permanent magnet when current is carried to it through the ribbons; the position of the coil is indicated by a mirror carried on it, which reflects a light beam onto a fixed scale. Also known as light-beam galvanometer.
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