Light emitting element, light emitting device, and electronic apparatus.
发光元件，发光器件，和电子设备。
Light emitting element, light emitting device, and electronic device.
发光元件，发光装置，和电子装置。
Optical element, light source device, optical head device and optical information processing unit.
光学元件，光源装置，光头装置以及光信息处理装置。
Optical element, light source device, optical head device and optical information processing unit.
光学元件，光源装置，光头装置以及光信息处理装置。
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