And that told us that the flow is proportional to a negative gradient of a concentration.
这告诉我们，流动是和浓度的负梯度成比例的。
Linear search in the negative gradient direction was also applied to accelerate the optimization.
引入负梯度方向直线搜索来加速算法寻优。
The ionospheric up flowing ion mainly distributes in the near geo space and its flux has a negative gradient versus geo center distance.
上行离子主要分布在近地空间，其通量密度相对于地心距离呈负梯度。
Based on the theory of the local spectrum of ambient-sea noise field, theoretical models of the low-noise-channel for typical shallow-water negative gradient (or thermocline) are developed.
本文根据海洋噪声场随机局部谱展开理论，分析了典型浅海负梯度(或负跃层)下低噪声信道的理论模型。
Based on the theory of the local spectrum of ambient-sea noise field, theoretical models of the low-noise-channel for typical shallow-water negative gradient (or thermocline) are developed.
本文根据海洋噪声场随机局部谱展开理论，分析了典型浅海负梯度(或负跃层)下低噪声信道的理论模型。
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