主光线角度 Chief ray angle
斜光束主光线 chief ray of oblique beam
只画边缘光线和主光线 Marginal and Chief Only
紫外光线主要照明开关 UV line main lighting switch
系统主要由光线路终端 Optical Line Terminal ; OLT
记住,此时主光线就是主点光线。
远心镜头拥有与它的光轴平行的主光线,同轴照明是非常理想的。
Telecentric lens has parallel chief ray with its optical axis and is ideal for co-axial lighting.
无论妙手偶得的是人,是动物,是植物还是房屋的一角,光线始终是捕捉的主打,为此他匆忙记下天气和色彩。
Whether his inspiration was a person, an animal, plants or the corner of a room, though, light was his main prey. To help him capture it, he jotted down notes about weather and colours.
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