secondary isotope effect

例句：

1. 1. The study found that the primary cause of the disease was a secondary isotope effect due to environmental pollution.
   研究发现，这种疾病的主要原因是一个由于环境污染导致的次生同位素效应。
2. 2. The researcher also noted that this secondary isotope effect could be mitigated by using more efficient waste treatment technologies.
   研究人员还指出，通过使用更高效的废物处理技术可以减轻这种次生同位素效应。
3. 3. In addition to the primary effects, the secondary isotope effect can lead to health risksfor individuals exposed to contaminated environments.
   除了主要效应外，次生同位素效应还可能对暴露于受污染环境中的个人造成健康风险。