cubic crystal

例句：

1. 1. The cubic crystals are used in the manufacturing of electronic devices.
   立方晶体用于制造电子设备。
2. 2. The cubic crystals have a unique structure that makes them very useful in various applications.
   立方晶体具有独特的结构，使其在各种应用中非常有用。
3. 3. The cubic crystals were discovered by accident during a research project.
   立方晶体是在一项研究项目中意外发现的。