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单词 current comparator
释义 current comparator
[`kǝ·rǝnt kǝm´par·ǝd·ǝr]
ELECTRICITY
An instrument for determining the ratio of two direct or alternating currents, based on Ampère's laws, in which the two currents are passed through a toroid by two windings of known numbers of turns and the ampere-turn unbalance is measured by a detection winding.
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