本文参考了分形编码中现在最新颖的匹配算法-特征向量法，提出了基于相对梯度的快速编码和基于叉迹特征的快速编码算法。
So we used the most novel matching method-feature vector method to propose two fast algorithms: one is relative gradient-based algorithm, the other is cross trace-based algorithm.
灌木层中乔木树种和阳性乔灌木种类比例、相对密度和重要值均随坡位梯度从下部到上部逐渐增大。
Percentage, relative density and importance values of tree species and intolerant tree and shrub species increased while slope gradient from lower to upper.
结论采用全骨髓直接培养及密度梯度离心法，经3 ~5代培养后均可获得相对纯化之骨髓间充质干细胞。
Conclusion Byuse complete marrow direct culture method and density gradient method, after 3 ~ 5 passages, relative purified BMSCs can be obtained.
测量风速梯度时，相对误差小于1%。
When wind gradients are measured, the relative error is less than 1%.
超急性、急性期病灶中心相对表观扩散系数最低，从中心往外逐渐升高呈梯度征。
The rADC in hyperacute and acute stage of focus center was minimized, and increased progressively from center to periphery with gradient sign.
主破裂发生在应变及其梯度相对都较低的一个高应变梯度区。
Main fracture occurs in the high gradient area where the strain and gradient are relatively lower.
在一个实施方式中，在所述区域中产生压力梯度，该压力梯度产生密度不同的脂肪细胞成分之间的相对运动。
In one embodiment, a pressure gradient is created in the region generating relative movement between fat cell constituents having different densities.
基于梯度塑性理论，研究了应变软化阶段的刚度劣化对剪切带内部的局部应变及相对剪切位移的影响。
Distributed shear strain and displacement in localized shear band were investigated considering degraded stiffness in the strain-softening process based on gradient-dependent plasticity.
多孔铝合金的孔隙率梯度主要是由渗流驱动压力梯度与凝固顺序所决定，而颗粒的自然堆积密度影响相对较小。
The porosity gradient of porous aluminium is mostly affected not only by the spontaneous stacking density of granules, but also by the infiltration pressure gradient and solidification sequence.
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。
The ionospheric up flowing ion mainly distributes in the near geo space and its flux has a negative gradient versus geo center distance.
随着循环量的增大，立管内的负压差梯度及气固相对速度也随之增大；
The negative pressure gradient and slip velocity in standpipe increase with the increase of circulating rate.
梯度洗脱：仪器的配置可能会影响到方法所描述的分离度、保留时间以及相对保留时间。
Gradient elution: the configuration of the equipment employed may significantly alter the resolution, retention time and relative retentions described in the method.
随着海拔梯度的上升，资源植物的区系成分、性状特征表现出相对应的垂直分异规律。
With increased elevation above sea level, the flora components of the resource plants present corresponding vertical differentiation patterns.
指出在三维空间中只可引入梯度、旋度、散度，除此之外不可能再引入其它与之相对应的“度”。
The conclution of the paper is, only concepts of gradient, divergence and curl can be introduced to the three coordinate place. Any other concept, such as "dimension"is unnecessary and impossible.
指出在三维空间中只可引入梯度、旋度、散度，除此之外不可能再引入其它与之相对应的“度”。
The conclution of the paper is, only concepts of gradient, divergence and curl can be introduced to the three coordinate place. Any other concept, such as "dimension"is unnecessary and impossible.
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