显微镜下可以看到这块石英内部有许多细小的次级晶体。

Under the microscope, you can see many tiny ___sub-crystals inside this quartz.

在显微镜下可以看到，这些微小的次晶体组成了这种特殊合金的微观结构。

Under the microscope, tiny ___sub-crystals can be seen forming the microstructure of this special alloy.