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.
主镜头是预置的，以使得其始终捕获最大限度的光线。
And the main lens is preset so that it always captures the greatest amount of light possible.
随着光线投照入建筑内部，主入口将乘客引导至低层出入境管制区，直至自动捷运系统换乘站。
While drawing light down into the heart of the building, the primary portal guides passengers down to the lower immigration floor and onwards to the APM Interchange Station.
整个空间开始进行大幅度变革，清除墙壁，隔开了主卧，引入了被截止的自然光线。
The entire space began its extensive transformation with the removal of walls that separated main living areas and interrupted natural light flow.
大讲堂垂直于大楼的主方向，获取来自庭院的自然光线。
The large lecture halls areperpendicular to the main direction of the building, and get their natural light from the courtyard.
大讲堂垂直于大楼的主方向，获取来自庭院的自然光线。
The large lecture halls areperpendicular to the main direction of the building, and get their natural light from the courtyard.
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