This vector i prime has got a horizontal part, This kind of trigonometry you should know all the time.

矢量 i' 有一个水平方向的分量,这类三角关系你们应该已经很熟悉了

耶鲁公开课 - 基础物理课程节选

If water starts to form elongated beads or a thin sheet on the horizontal panels, it is time to re-wax the car.

FORBES: Zen And The Art Of Keeping Your Car Looking Beautiful

Anyway, the FPD2185W also has a integrated Faroudja chip for enhanced video processing, a built-in 4 port USB hub, a 1000:1 contrast ratio, 178 degree viewing angle (both vertical and horizontal), and an 8ms pixel response time.

ENGADGET: Gateway's FPD2185W 21-inch widescreen LCD

For the particle slice, this vertical slice in time I am happy, what the horizontal is like only fate can decide.

BBC