noun
Technical term in surveying and civil engineering for measuring height differences between points.
建設現場では、水準測量によって地盤の高さを正確に測ります。
At construction sites, leveling is used to accurately measure the height of the ground.
水準測量の結果、この地点の標高は50メートルと判明した。
As a result of leveling, the elevation of this point was found to be 50 meters.