1) boottopping
变水线区
2) watershed transform
水线变换
1.
An image segmentation algorithm is proposed, which combines the min lifting scheme with watershed transform.
提出了一种基于极小值跟踪法的水线变换图像分割方法。
3) boundary change area
界线变迁区
1.
Changes of land use and landscape pattern in the boundary change areas in farming-pastoral ecotone of Northern China;
北方农牧交错带界线变迁区的土地利用与景观格局变化
4) the area of fluctuant backwater
回水变动区
1.
Study of the model of water quality for the period of time of backwater in the area of fluctuant backwater of Three Gorges Reservoir anabranch-embouchure;
三峡库区次级河流河口回水变动区回水时段水质模型
5) fluctuating backwater area
变动回水区
1.
Study on waterway regulation in fluctuating backwater area of Dadingzishan Hydro-junction;
大顶子山航电枢纽变动回水区航道整治试验研究
2.
Fluvial process and waterway regulation in fluctuating backwater area of the Three Gorges
三峡水库变动回水区河床演变及航道整治
3.
Based on the model test on regulation at the fluctuating backwater area of Jiaokou Hyolro-power Station in Xiujiang River of Guangxi Zhuang Autonomou Region,channel regulation at fluctuating backwater area in mountainous alluvial river is studied,and the regulation technique of changing regulation width and regulation stage progressively are proposed.
以广西绣江交口电站变动回水区的航道整治为例,通过模型试验,研究了山区冲积性河流变动回水区的航道整治问题,提出了沿程变整治线宽度、变整治水位的整治技术。
6) eulittoral zone
水位变幅区
1.
In the macrophyte-covered littoral zone, the highest N2O emissions occurred in the eulittoral zone, where N2O emission was 5~10 times greater than that in the su- prali.
结果发现两种类型湖滨带N2O排放均显著高于临近的开阔水体,可以达到10~100倍,水位变幅区是湖滨带温室气体N2O排放的峰值区,是陆向和水向辐射区的5~10倍。
补充资料：Radon变换和逆Radon变换
Radon变换和逆Radon变换
X线物理学术语。CT重建图像成像的主要理论依据之一。1917年澳大利亚数学家Radon首先论证了通过物体某一平面的投影重建物体该平面两维空间分布的公式。他的公式要求获得沿该平面所有可能的直线的全部投影(无限集合)。所获得的投影集称为Radon变换。由Radon变换进行重建图像的操作则称为逆Radon变换。Radon变换和逆Radon变换对CT成像的意义在于，它从数学原理上证实了通过物体某一断层层面“沿直线衰减分布的投影”重建该层面单位体积，即体素的线性衰减系数两维空间分布的可能性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条