| 单词 | null-balance recorder |
| 释义 | null-balance recorder [`nǝl ¦bal·ǝns ri´kȯrd·ǝr] ENGINEERING An instrument in which a motor-driven slide wire in a measuring circuit is continuously adjusted so that the voltage or current to be measured will be balanced against the voltage or current from this circuit; a pen linked to the slide wire makes a graphical record of its position as a function of time. |
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