double emitting layer 双发射层
double emitting layers 双发光层
doping in double emitting layer 双发光层掺杂
double side emitting 两面出光器件
Double Stars is beautiful twin planets. Seems dazzle precious stones emitting different colors and rays and light.
双子国是一个美丽的双星球，像两枚耀眼宝石在星空上散发异彩光芒。
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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。
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