face centred cubic lattice的用法和样例：
例句
- Our results demonstrate that complete PBGs can be found in both fcc and sc lattice structures which are absent in PCs composed of isotropic dielectric spheres.
计算结果表明，在简单立方晶格和面心立方晶格中都能够实现全光子带隙，这在各向同性介质球时是不存在的。 - Another example of the cubic lattice system is the body-centered cubic crystal of cesium chloride.
立方晶系的另一个例子是氯化铯的体心立方晶体。
