This paper analyzes spatial distribution of current crustal movement in Chinese mainland, and large areal tectonic deformation background and trend with the GPS data.
利用GPS观测结果研究了中国大陆当前地壳运动的空间分布及其所揭示的大区域构造变形背景与趋势；
Three-dimensional trend analysis is an useful mathematical tool in geology. But the results of spatial distribution obtained in calculation are usually troublesome in analysis.
三维趋势分析是地质学中一种有用的数学工具，但是空间分布的计算结果造成了分析上的困难。
The spatial distribution of the concentrations of COD in water and sediment of surface layer shows a decreasing trend from the northwest and middle waters to the estuary of the bay.
海水与表层沉积物COD含量平面分布总的呈西北部水域和湾中部水域向湾口降低的趋势。
The results show that: From the spatial distribution, the annual and quarterly potential evapotranspiration from northwest to the southeast of basic have downward trend;
结果表明：从空间分布来看，潜在蒸散量年均和四季从西北到东南基本呈下降趋势。
The results show that: From the spatial distribution, the annual and quarterly potential evapotranspiration from northwest to the southeast of basic have downward trend;
结果表明：从空间分布来看，潜在蒸散量年均和四季从西北到东南基本呈下降趋势。
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