two-spar structure

• 双晶结构

two-spar structure的用法和样例：

例句

1. The projection of KPB crystal structure and schematic diagram of twinning structure have been drawn.
   我们绘制了该晶体的结构投影图和孪晶结构示意图。
2. Palygorskite is one of layered and chained structure silicate, it has unique crystal needle structure and is a potential one dimension nano-intensifier.
   摘要坡缕石是一种层链状硅酸盐矿物，具有独特的纳米棒晶结构，是一种很有潜力的一维纳米增强材料。