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2025-10-06

“Variac”的英英意思

单词 Variac
释义 Variac Electr.|ˈvɛərɪæk|
[f. variable a. + -ac, perh. repr. a.c., alternating current.]
A proprietary name for a type of autotransformer in which the ratio of the input and output voltages can be varied.
1933Official Gaz. (U.S. Patent Office) 26 Dec. 874/2 General Radio Company, Cambridge, Mass... Variac for transformers.1938Trade Marks Jrnl. 16 Feb. 188/2 Variac... Electrical transformers (not being machines). General Radio Company.., Cambridge, State of Massachusetts.1943Electronic Engin. XV. 516/3 The movement of the sliding contact on the Variac is effected by a small reversible motor.1945[see interlock n. 2 b].1983Sci. Amer. Feb. 118/3, I plugged the immersion heater into a Variac so that I could experiment with the rate at which heat was released in the water.
“Variac”的英英意思

　

英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

　


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