Has three axes, equally spaced relative to one another, to enable 3‐dimensional figures to be represented on a plane. The effect of the equal spacing is to produce a grid made up of equilateral triangles.
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。