Or you can buy stands that hold your laptop vertically; some let you adjust the height and Angle.
你也可以买个支架，把你的笔记本电脑垂直放置，有些支架还可以调整高度和角度。
This paper discuss how to measure and calculate when a parallel light doesn't incide grating vertically in measuring grating constant and how to adjust a parallel light to incide grating vertically.
本文讨论光栅常数测量中，平行光不垂直入射光栅时如何对测量值的影响及如何调节平行光垂直入射光栅。
When the counterbalance position moves vertically, the bearing pin is penetrated through a corresponding round hole of the slide way to adjust the height of the platform.
当配重位置发生垂直移动时，通过把承重销轴穿入滑道上对应的圆孔中，实现平台的高度调整。
The vertically movable massage hands provide overall, partial and fixed position massage. 3d massage function can adjust the shoulder area according to individual body, which can be stored.
按摩机械手能上下行走，可选择全程、局部、定点按摩。具备多方位的立体按摩(3d功能)，可根据体形调整肩部位置并且能记忆。
The vertically movable massage hands provide overall, partial and fixed position massage. 3d massage function can adjust the shoulder area according to individual body, which can be stored.
按摩机械手能上下行走，可选择全程、局部、定点按摩。具备多方位的立体按摩(3d功能)，可根据体形调整肩部位置并且能记忆。
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