| 释义 |
〔galvanoscope〕An instrument used to detect the presence and determine the direction of electric currents by the deflection of a magnetic needle.验电器：一种利用磁针的偏传检测电流存在及测定其方向的仪器〔damper〕A device that eliminates or progressively diminishes vibrations or oscillations, as of a magnetic needle.阻尼器，避震器：用来消除或逐渐消除震动或摆动的设备，如磁针的 |