1. A line on a metamorphic, composition–assemblage diagram (e.g. an ACF or AFM diagram), which joins the compositions of minerals coexisting in equilibrium.
2. A survey line that crosses others so that all lines can be calibrated to the same value.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。