physical mapping

例句：

1. 1. The company's new physical mapping system will greatly improve efficiency.
   公司的新物理映射系统将大大提高效率。
2. 2.Physical mapping is a crucial step in the process of environmental assessment.
   物理映射是环境评估过程中至关重要的一步。
3. 3. The researchers used physical mapping techniques to map out the distribution of minerals in the area.
   研究人员使用物理映射技术来绘制出该地区矿物分布图。