chemical control method

例句：

1. 1.The chemical control method is crucial for maintaining the environment's balance.
   化学控制方法是维护环境平衡的关键。
2. 2. The new chemical control method has greatly improved the efficiency of pest control.
   新的化学控制方法大大提高了害虫控制的工作效率。
3. 3. The research team developed a chemical control method that can be used in large-scale agriculture.
   研究团队开发了一种可以在大规模农业中使用的化学控制方法。