spectroscopically pure zinc

例句：

1. 1. The spectroscopically pure zinc is used in the production of solar cells.
   光谱纯锌用于太阳能电池的生产。
2. 2. The spectroscopically pure zinc was found to be a good catalyst for thisreaction.
   光谱纯锌被发现是这种反应的良好催化剂。
3. 3. The spectroscopically pure zinc is used in the production of electronic devices.
   光谱纯锌用于电子器件的生产。