单词：barometric gradient
barometric gradient的用法和样例：
例句
- There is no pressure gradient through the thickness of the film.贯穿流体膜厚度无压力梯度。
- The calculation results show that the pressure gradient decreases with the annular eccentricity increasing and increases with the flow rate increasing.结果表明，压力梯度随环空偏心度的增大而减小，随流量的增大而增大。
- The atmosphere pressure gradient is an inverse measure of the spacing of the isobars on a weather map.气压梯度与天气图上等压线的间隔大小成反比。
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