box diffusion

例句：

1. 1. The process of box diffusion is crucial in the production of plastic products.
   在生产塑料产品的过程中，盒式扩散过程至关重要。
2. 2. The researchers found that the box diffusion model could accurately predict the performance of the new drug.
   研究人员发现，盒式扩散模型能够准确预测新药的性能。
3. 3.In the context of environmental science, box diffusion models are used to study the movement of pollutants in the atmosphere.
   在环境科学中，盒式扩散模型被用来研究大气中污染物的移动。