It is match with in the eutrophic sediment spatial distribution of elements and in the water in the same period.
同时期的底泥中富营养化元素空间分布趋势与水体中的相吻合。
Using these factors as input and spatial coordinate as expectant output, it is feasible to simulate the spatial distribution of geographic elements by training network.
该函数是由多种因素综合作用的结果，如果以各因素为输入、对应空间坐标值为期望输出，对网络进行训练可对地理要素的空间分布进行模拟。
Methods the spatial distribution of the compositional elements in incipient enamel caries was obtained by spot selection, line and map analyses with electron probe microanalysis technique (EPMA).
方法应用电子探针微区分析(EPMA)技术对初期釉质龋中化学成分的空间分布进行选定微区、线扫描及面扫描分析。
On the other hand, the population migration affects the spatial structure of intraregional economic, social and other elements and changes in industrial distribution.
另一方面，人口的迁移变动也影响着区域内部经济、社会等各种要素结构和布局的变化。
On the one hand, the population spatial structure reflects the distribution of various elements in region;
一方面，人口空间结构反映了区域内部各种要素的分布情况；
A real rat's head model during transcranial magnetic stimulation is presented. And the analysis is carried out to calculate the spatial distribution of the electric field by finite elements method.
本文建立了经颅磁刺激中大鼠真实头模型，并利用有限元方法计算了模型中感应电场的空间分布情况。
A real rat's head model during transcranial magnetic stimulation is presented. And the analysis is carried out to calculate the spatial distribution of the electric field by finite elements method.
本文建立了经颅磁刺激中大鼠真实头模型，并利用有限元方法计算了模型中感应电场的空间分布情况。
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