fineness of scanning

例句：

1. 1. The engineer measured the fineness of the screw to ensure its strength.
   工程师测量了螺丝的精细度以确保其强度。
2. 2. The fineness of the metal is crucial for its durability.
   金属的精细度对其耐用性至关重要。
3. 3. The manufacturer carefully controls the fineness of the product to meet quality standards.
   制造商仔细控制产品的精细度以满足质量标准。