prefocus
基本解释
- vt.预先聚焦
- adj.置于集焦反光镜焦点处的
英汉例句
- For action, it is best to prefocus.
视乎情况，机系死的，人系生的，要懂得变通。 - Apply on the public square, airport, wharf, station, building lighting, advertisement plaque, exhibition center etc prefocus lighting.
适用于广场、机场、码头、车站及广告牌、展览馆等聚光照明。 - Dimensions for Projection Lamps - Four-Pin, Prefocus, Base-Down Type
放映灯规格。四脚预聚焦灯头向下型 - 4. it has focusing device, which can make adjustment of astigmatism and prefocus.
4.;具有调焦装置，可以进行散光和聚光调节。 - 4、It has focusing device, which can make adjustment of astigmatism and prefocus.
好，抗冲击性能好。4、具有调焦装置，可以进行散光和聚光调节。