doping gradient

例句：

1. 1. The doping gradientin the sport is a significant concern forathletes and their teams.
   体育中的兴奋剂梯度是运动员及其团队的一个重大关切。
2. 2. Thestudy of doping gradients has ledto new insights into drug use patterns.
   对兴奋剂梯度的研究揭示了药物使用模式的新见解。
3. 3. The doping gradient between different sportsis often used to determine the level ofperformance enhancement.
   不同运动之间的兴奋剂梯度通常用于确定性能增强的程度。