n.維數(shù)；度數(shù)

A set is an ordered set of tuples with the same dimensionality. 集是具有相同維數(shù)的有序元組集。

The dimensionality and computation time are not only substantially decreased, but also the accuracy is preserved. 它不僅顯著地降低了數(shù)學(xué)模型的維數(shù)和計算時間，而且所得仿真結(jié)果能夠準確契合精確模型的輸出。