基本解释[经济学]量子阱异质结构激光器英汉例句双语例句Laser Diodes (contd. ) : In-plane lasers: double heterostructure, quantum well, multi-contact, surface emitting.平面雷射：双异质结构，量子井，多重电极，面发射。专业释义经济学量子阱异质结构激光器