near-sized particle

例句：

1. 1. Theparticle size distribution of the soil is crucial for plant growth.
   土壤颗粒大小分布对植物生长至关重要。
2. 2. The particle size analysis of the sand showed that it was composed mainly of quartz.
   沙粒分析显示，它主要由石英组成。
3. 3. The study found that particles with a diameter less than 50 nm had higher adsorption efficiency.
   研究发现，直径小于50纳米的粒子吸附效率更高。