According to the temporal and spatial features of transient optical targets, an optical target detection and location method based on templates is proposed.
基于瞬变光辐射目标的时空特性，提出了一种基于模板的光辐射目标检测与定位方法。
Using the NCEP/NCAR reanalysis monthly data of SLP, the seasonal difference of Arctic Oscillation(AO) is studied with the emphasis on the temporal and spatial features of the summer AO.
运用NCEP/NCAR SLP再分析月资料，分析研究了北极涛动的季节性差异，着重讨论了夏季北极涛动的时空特征。
The spatial and temporal features of gravity field provide an evidence for predicting the occurrence and site of a strong earthquake by means of repeated gravity measurements.
重力场的这一空间与时间分布特征为用重力复测手段预报强震发震的时间与地段提供了依据。
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