This paper analyzes the spatial and temporal variety regulation of soil moisture and soil moisture characteristic constants on mobile dune in Horqin sandy land.
选择科尔沁沙地典型流动沙丘作为研究对象，分析了流动沙丘土壤水分的时空变化以及土壤水分特征常数的空间变化规律。
The dynamic knowledge model with temporal and spatial characters for cotton management includes three modules as pre-sowing plan design, dynamic development indices, diagnosis and regulation.
具有时空适应性的棉花栽培管理动态知识模型主要包括播前方案设计、生育指标动态和苗情诊断调控知识模型三个部分。
The dynamic knowledge model with temporal and spatial characters for cotton management includes three modules as pre - sowing plan design, dynamic development indices, diagnosis and regulation.
具有时空适应性的棉花栽培管理动态知识模型主要包括播前方案设计、生育指标动态和苗情诊断调控知识模型三个部分。
By experience orthogonal function analysis and wavelet analysis on chilling damage indices, it showed spatial-temporal variation in the regulation and multiple-time-scale characteristics.
在此基础上对低温冷害指数进行经验正交分解和小波分析，得到其时空变化规律及多时间尺度特征。
By experience orthogonal function analysis and wavelet analysis on chilling damage indices, it showed spatial-temporal variation in the regulation and multiple-time-scale characteristics.
在此基础上对低温冷害指数进行经验正交分解和小波分析，得到其时空变化规律及多时间尺度特征。
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