Since I need to keep my eye on the weather, having real-time barometric pressure and elevation is key.

因为我需要随时关注天气，因此实时的气压和海拔是很关键的。

youdao

A barometric altimeter indicates height above sea level or some other selected elevation.

气压高度表用以指示海平面或另外某个被选定高度以上的高度。

youdao

The Influence of Temperature, Barometric Pressure and Elevation upon Resistance for Cycling;

根据压力影响高度，即可计算上下两道环箍之间的合理距离。

youdao

For extra-precise climb and descent data, they incorporate a barometric altimeter to pinpoint changes in elevation.

ENGADGET: Edge 510 and 810 cycling computers appear on Garmin's web store (update: hands-on photos)