barometric gradient的用法和樣例：
例句
- There is no pressure gradient through the thickness of the film.
貫穿流體膜厚度無壓力梯度。 - The calculation results show that the pressure gradient decreases with the annular eccentricity increasing and increases with the flow rate increasing.
結果表明，壓力梯度隨環空偏心度的增大而減小，隨流量的增大而增大。 - The atmosphere pressure gradient is an inverse measure of the spacing of the isobars on a weather map.
氣壓梯度與天氣圖上等壓線的間隔大小成反比。
