An instrument used to measure altitude, often utilizing air pressure or radar, commonly used in aviation and mountain climbing.

medium-to-high-altitude air defense; specifically referring to HIMAD systems

relative altitude or height measured from a specific point or local ground level rather than sea level

absolute altitude or height measured from mean sea level; often used synonymously with [[海拔|海拔|hai3 ba2]]

to give a high appraisal of; to place a high value on; to praise highly