该解决方案的场方程的组成部分的度量张量的时空。数据量描述了几何时空。在大地的时空路径计算的数据量。
A metric tensor describes a geometry of spacetime. The geodesic paths for a spacetime are calculated from the metric tensor.
信号的多分辨经验模分解方法可以解释为以信号极值特征尺度为度量的时空滤波过程。
The multiresolution empirical mode decomposition method of signal can be interpreted as spatial filtering based on the signal's extremum characteristic scale.
利用时空索引结构的特点，应用距离度量来减小平均磁盘访问量是查询处理常用的方法。
Making use of the structure of st indices, and applying distance metrics to decrease average disk access count is the most popular method in st query processing.
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