direct acting factor

例句：

1. 1.The new drug has a direct acting factor that can help treat certain diseases.
   这种新药具有直接作用的因素，可以治疗某些疾病。
2. 2.The researcher found that the direct acting factor was responsible for the disease's progression.
   研究者发现，直接作用因素是导致该病进展的原因。
3. 3. The study revealed that the direct acting factor was linked to the patient's genetic makeup.
   研究发现，直接作用因素与患者的遗传特征有关。