tricen fiber point

例句：

1. 1. The researchers found that the concentration of this substance was ten-billionth fiber point.
   研究人员发现这种物质的浓度是十亿分之一纤维点。
2. 2.The scientist used a microscope to observe the tiny fiber points on the surface of the material.
   科学家使用显微镜观察材料表面的微小纤维点。
3. 3. The company's new product is designed to have ten-billionth fiber points, which can improve the wear resistance of the material.
   该公司的新产品设计有十亿分之一的纤维点，可以提高材料的耐磨性。