complex crystals

• 复杂晶体

complex crystals的用法和样例：

例句

1. In our opinion, the hardness of covalent crystals is intrinsic and equivalent to the sum of resistance of each bond per unit area to indenter.
   大多数功能材料是多元晶体，因而发展复杂晶体硬度的计算方法具有重要意义。