1) Total horizontal gradient of the TDR
斜导数水平梯度
2) the total horizontal derivative of T_(dr) (T_(dr)_Th_(dr))
Tilt梯度的水平导数
3) horizontal baroclinic pressure gradient force
水平斜压梯度力
1.
The horizontal baroclinic pressure gradient force estimation is problematic over steep topography in sigma coordinate models.
在海底地形陡变、垂向密度分层明显的水域,三维σ坐标模式中会出现一种"伪"水平斜压梯度力,并会引起"伪"密度流,以至于影响模拟的精度。
4) horizontal gradient
水平梯度
1.
The horizontal gradient anomalies and two derivatives methods are adopted to extract faint information as well as other methods,and digital image display technique is used to show the results.
方法采用水平梯度法和二次垂直导数等方法提取微弱信息,利用数字图象显示技术成图。
2.
According to the physiognomy along the horizontal gradient,the birds habitats were divided into beach,mangrove,shrimp pond,farmland and hurst and shrub in National Natural Reserve of Beilun Estuary.
在北仑河口国家级自然保护区,根据地貌沿着水平梯度,将鸟类生境划分为滩涂、红树林、虾塘、农田和树林灌丛5种类型,运用α、β多样性指数研究保护区内冬季鸟类的多样性。
5) horizontal derivative
水平导数
1.
A horizontal derivative operator for gridpoints in the window can be calculated by the least square method.
根据台劳级数展开式，将窗口内网格结点位场数据在计算点展开，且对应点两两相减，由最小二乘法求得窗口内网格结点的水平导数算子，将此算子与观测的位场数据褶积，就可求得位场的水平导数。
6) horizontal temperature gradient
水平温度梯度
1.
Under a horizontal temperature gradient along the liquid-liquid interface,the developing processes of the thermocapillary convection in a two-layer immiscible fluid system of the absent gravity are simulated,where the upper layer fluid is encapsulant boron oxide,the underlayer fluid is molten indium-phosphide.
三维数值模拟了零重力时水平温度梯度作用下,B2O3封闭液与InP熔液组成的非混合双层流体热毛细对流的发展过程。
2.
Under a horizontal temperature gradient along the liquid-liquid interface, the effects of horizontal magnetic fields on thermocapillary convection in the two-layers immiscible fluid system absent gravity were simulated numerically, where the upper layer fluid was encapsulant boron oxide, the underlayer fluid was molten indium-phosphide in this paper.
三维数值研究了零重力时水平温度梯度作用下,B_2O_3封闭液与InP熔液组成的双层流体系统在水平磁场作用下的热毛细对流。
补充资料：斜导数
斜导数
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斜导数【‘仙匆此d州v戒松;劝caa即。.的月二J，刀毕”默罗嘉嘿盆的邻域的函数，关于与“上某一椭圆算子的余法线(conom坦1)方向不同的方向l的导数.斜导数可以出现在关于二阶椭圆方程的边值间题的边界条件中.此问题从而可称为具有斜导数的问题.见偏微分方程，斜导数问题(山吮比nhal叫业石。n，p叫刘，oblique deri拍tives). 若S上方向场l取l=(l，，…，l。)的形式，这里，‘是满足艺)_，(I‘)’=1的点的函数，则函数f关于l的斜导数为 婴一艺，、(尸)共，尸一(二】，…，二。)， dl‘协’‘、一产ax‘’-其中x，，“‘，x。是Euclid空间R月的L址scartes坐标.
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参考词条