“或向”造句

V形或箭头路标表示有向左或向右的急转弯。
The chevron or arrow road sign indicates a sharp bend to the left or right.

地球的经度是用格林尼治子午线向东或向西的度数来表示的.
Terrestrial longitude is measured in degrees east or west of the Greenwich meridian.

在计算机图形学中, 只限于指向上或向下滚动屏幕图形的过程.
In computer graphics, scrolling restricted to an upward or downward direction.