The light intensity had characteristics of temporal and spatial variation.
光照强度在杏树行间的分布具有时空变化特征。
The temporal distribution characteristics of sunshine duration and its spatial variation with different altitude, slope and aspect were analyzed.
并分析了山区实照时数的时间分布特征和不同海拔高度、坡度和坡向上年实照时数的空间分布特征。
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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