unit crystal

• 单晶

unit crystal的用法和样例：

例句

1. One may use a polycrystalline sample rather than a single crystal for many studies.
   我们可以用一种多晶样品代替单晶进行多方面的研究。
2. Development of such distributed feedback heterostructure lasers requires crystal growth on corrugated layers.
   研制这种分布反馈双异质结构激光器要求在皱折层上生长出单晶层。