doping impurities

• 掺杂

doping impurities的用法和样例：

例句

1. These devices have optical waveguide structure, moderate doping level and active layer thickness.
   该器件带有光波导结构并具有适当掺杂和有源层厚度。
2. The influences of tungsten doping upon the structure and morphology of cobalt oxalate were studied.
   研究了钨掺杂对草酸钴结构和微观形貌的影响。