光学系统包括一支氦氖激光器，四个电光调制器与四支光学纤维。
It includes a He-Ne laser, four electro-optical modulators and four optical fibers.
汽车前照灯作为光学系统对气体放电光源的光束形状和光通分布有严格的要求。
The headlamp have strict requirement on beam pattern and light flux distribution of gas discharge light source.
汽车前照灯作为光学系统对气体放电光源的光束形状和光通分布有严格的要求。
The headlamp have strict requirement on beam pattern and light flux distribution of gas discharge light source.
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