hexagonal l system六方晶系
hexagonal crystal system六方晶系;六角晶系;晶系;六重轴
unbranched catacondensed hexagonal system无支链的卡拉稠型六角系统
Generalized hexagonal system广义六角系统
hexagonal packing granular system六角密排颗粒系统
closed-packed hexagonal system密集六方晶系
close-packed hexagonal system密集六方晶系
In this paper,we discuss some extremum problems on the width and diameter of a hexagonal system. and give some extremal graphs.
本文讨论六角系统中将宽度与直径结合起来的几个极值问题，并给出相应的极图构造。
参考来源 - 关于六角系统的极植问题