intensity index

例句：

1. 1.The intensity of the earthquake was measured at 7.5 on the Richter scale.
   地震的强度在里氏震级上被测量为7.5。
2. 2.The intensity index is a key factor in determining the effectiveness of a treatment.
   强度指数是决定治疗有效性的关键因素。
3. 3.The intensity index for this region has been steadily increasing over the past decade.
   该地区的强度指数在过去十年稳步上升。