In this paper, we propose a dimension reduction method based on the tangent bundle.
本文提出了一种基于切丛的维数约简方法。
The minimum number of causality judgement indicators of ADR was determined by dimension reduction method.
运用降维技术探讨adr因果关系判断的最小因子数。
The dimension reduction method is discussed theoretically and the computer implementation of the method and its results are given.
首先理论上讨论降维法，其次给出计算机程序实现的方法及其结果。
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