该设备以大功率球形短弧气体放电氙灯为光源，设计了合理的光学聚焦系统、冷却系统及供电系统。

A sphere large-power short arc xenon lamp is used as the light source of this equipment. Deep ellipsoidal optical focusing system, cooling system and power source are designed reasonably.

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能源危机、排放法规日益严格和温室气体效应，系当今世界环境方面的三大矛盾聚焦点。

Energy crisis, increasingly tough emission rules and effects of greenhouse gases are the three focuses of major contradictions on today's environmental aspects of world development.

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