| 单词 | null determination |
| 释义 | > as lemmasnull determination C1. General attributive (in sense 2b), as null detector, null determination, null indicator, etc. ΚΠ 1931 J. A. Moyer & J. F. Wostrel Radio Handbk. xii. 601 A direct-current galvanometer, protected by a suitable shunt, is used as a null indicator. 1958 E. U. Condon & H. Odishaw Handbk. Physics iv. v. 66/2 Null determinations in d-c measurements are almost invariably made with a D'Arsonval-type galvanometer. 1962 Newnes Conc. Encycl. Electr. Engin. 94/2 The precision of a bridge measurement depends on the sensitivity of the null detector. < as lemmas |
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