The angle signal of the dumbbell ball torsion is magnified using light lever.In order to enhance the sensitivity and accuracy, CCD is used to probe the light signal spot.是什么意思_The angle signal of the dumbbell ball torsion is magnified using light lever.In order to enhance the sensitivity and accuracy, CCD is used to probe the light signal spot.在线翻译_英语_读音_用法_例句