This is why, for most vehicles, low-range second is the ideal gear to tackle the steep stuff.

也正是这个原因，对于大多数车辆来说，低速二档是用来征服陡峭山坡的理想档位。

youdao

Ultrawideband gear sprays low-power radio waves across a huge range of frequencies, letting them penetrate walls, among other feats.

FORBES: Freeing the Airwaves