常用的光源标准如同步辐射光源和壁稳亚弧光源等。
Often used standard light source is synchrotron radiation source and wall stabilized argon arc source.
室内光源有碳弧光灯，白炽灯及石英灯等。室内的主光源是聚光灯和散光灯、泛光灯。聚光灯将光聚到一起。
Indoors light is furnished by carbon arc lamps incandescent bulbs and quartz bulbs. the basic indoor lights are spotlights and floodlights. spotlights throw a beam of concentrated intense light.
因此led可以替代传统的弧光灯光源以满足投影显示的色度特性要求。
Therefore, LED can take place of conventional arc lamp to satisfy the colorimetric requirement of the projection display.
通过研究焊缝跟踪干扰光（电弧光）的特点和激光光源的特点，确定了该系统的光源，获取了清晰的焊缝图像。
The source of the system is determined through researching the interference light (Arc light) characteristics and the characteristics of the laser light source and clear welding images are obtained.
通过研究焊缝跟踪干扰光（电弧光）的特点和激光光源的特点，确定了该系统的光源，获取了清晰的焊缝图像。
The source of the system is determined through researching the interference light (Arc light) characteristics and the characteristics of the laser light source and clear welding images are obtained.
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