这种方法是通过对特征值的研究，追求表征空间的维数压缩。

Such technique pursues, through the study of the eigenvalues, the reduction of the dimensionality in the representation space.

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本发明的实施方式提供一种用于对定位设备进行标定的技术方案以及一种用于表征空间中的关注区域的技术方案。

The embodiment of the invention provides a technical scheme for calibrating a positioning device and a technical scheme for representing an attention area in a space, in particular to a system.

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Pormpuraawa人不仅知道了他们面对的方向，而且还自然而然地利用这一空间方位构建了他们的时间表征。

The Pormpuraawans not only knew that already, but they also spontaneously used this spatial orientation to construct their representations of time.

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