double-diffusion treatment

例句：

1. 1. This double-diffusion treatment has been shown to significantly improve patient outcomes.
   这种双重扩散治疗方法已被证明能显著改善患者的治疗效果。
2. 2. The researchers used a double-diffusion treatment to study the effects of different solvents on cell growth.
   研究人员使用了一种双重扩散处理方法来研究不同溶剂对细胞生长的影响。
3. 3. In this case, the double-diffusion treatment was crucial in determining the cause of the disease.
   在这种情况下，双重扩散治疗对于确定疾病的起因至关重要。