relative altitude的用法和樣例：
例句
- This graph, produced using preliminary altimetry data from Cassini's radar instrument, shows relative surface heights on Titan.
這是用卡西尼號上的雷達探測出的初步測高數據製成的圖表，顯示出土衛六上地表的相對高度。 - Considering the fluidization quality of the system, proper selection of static powder bed height and powder outlet relative height was very critical.
在權衡流化質量的基礎上，粉體靜止料層高度和出粉口相對高度的選取至為關鍵。
