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单词 electroscope
释义 electroscope
 —electroscopic /i lek'treuh skop"ik/,  adj.  
 /i lek"treuh skohp'/,  n.  
 a device for detecting the presence and determining the sign of electric charges by means of electrostatic attraction and repulsion, often between two pieces of gold leaf enclosed in a glass-walled chamber.
 [1815-25; ELECTRO- + -SCOPE]
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更新时间:2024/11/14 17:31:49