| 单词 | electric indicator |
| 释义 | > as lemmaselectric indicator electric indicator n. any of various kinds of indicator operated by electricity. ΚΠ 1880 Science 21 Aug. 96/1 This tablet is connected with the electric indicator, which is fixed at the top of a vertical tube above the boiler. 1930 J. Dos Passos 42nd Parallel iii. 299 A man named Law had rigged up an electric indicator (Callahan's invention) that indicated the price of gold in brokers' offices. 1952 B. N. Menshutkin Russia's Lomonosov iv. 86 When the professor had looked at the electric indicator he judged that the thunder was still far off. < as lemmas |
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