Since mechanical micro-displacement devices can not meet manysided demands, a novel electre-induced displacement device with considerable displacement and very high precision has been produced.

• 随着对精密位移系统需要的不断增长；用机械精密位移器已经不能满足多方面的要求.；但是；现在有一种具有相当大的行程和高调准精度的新颖的电致微位移器可以提供使用