absolute gradient current 绝对梯度流
absolute maximum gradient 绝对最大坡度
absolute spectrophotometric gradient [光] 绝对分光光度梯度
The gas permeation power would be dependent on the gas pressure gradient and the gas expansion pressure would be dependent on the gas absolute pressure.
瓦斯的渗透力取决于瓦斯压力梯度，而瓦斯膨胀压力取决于瓦斯绝对压力。
The monthly averaged basic air current was approximately the barotropic instable condition which was measured by the meridional gradient of absolute vorticity.
对于这个月月平均基本气流，进行正压不稳定度判据的检定，发现存在接近正压不稳定的条件。
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