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| 单词 | siemens |
| 释义 | Word Frequency siemens(ˈsiːmənz) nounWord forms: plural siemens the derived SI unit of electrical conductance equal to 1 reciprocal ohm Symbol: S. Formerly called: mhoWord Frequency Siemens(ˈsiːmənz) noun 1. Ernst Werner von (ɛrnst ˈvɛrnər fɔn). 1816–92, German engineer, inventor, and pioneer in telegraphy. Among his inventions are the self-excited dynamo and an electrolytic refining process 2. his brother, Sir William, original name Karl Wilhelm Siemens. 1823–83, British engineer, born in Germany, who invented the open-hearth process for making steel |
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