... 真空电子管(无线电),vacuum tubes; 可变电感器,variometers; 合金线(保险丝),Wires of metal alloys [fuse wire]; ...
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Variometers s 可变电感器
Magnetic declination variometers 磁偏角磁变仪
horizontal-component variometers 水平分量磁变仪
以上来源于: WordNet
N an instrument for measuring variations in a magnetic field, used esp for studying the magnetic field of the earth 磁力偏差计
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