light end meaning in English

亮段
轻馏分
细经(织疵)

The design and application of industrial television monitoring system for small - sized light ends recovery plant
工业电视监控系统在小型轻烃回收厂的设计与应用
The major obstacle may originate from your own confidence and perseverance to lead you through all the dark channel till the light end
主要障碍可能来自信心和持久力，这两点是引导你走过黑暗到达光明的主要因素。
So the speed of light ends up being a constraint , and the company wants to put significant processing power close to all of its users
因此，光速最终变成了一种约束，而公司就是希望让所有的用户都享受到超乎想象的处理能力。