stereo-dynamic interferential electrotherapy

例句：

1. 1.This method is particularly effective for treating chronic back pain.
   这种方法特别有效，用于治疗慢性背痛。
2. 2.The stereodynamic interferential electrotherapy has been shown to be an effective treatment for various conditions.
   立体动态干扰电治疗已被证明对各种条件都是一种有效的治疗方式。