gas doping technique

例句：

1. 1.The gas doping technique has been widely used in sports science research.
   气体掺杂技术在体育科学研究中得到了广泛应用。
2. 2. The gas doping technique is a controversial topic in the field of sports science.
   气体掺杂技术是体育科学领域一个有争议的话题。
3. 3. The gas doping technique has been used to enhance the performance of athletes.
   气体掺杂技术被用来提高运动员的表现。