You need to set various parameters, such as source device and format.
您需要设置不同的参数，比如源设备和格式。
The backlight module comprises a light guide plate and a light source device.
该背光模组包括一导光板及一光源装置。
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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