黄师父：好了，今天的首要议题是循环再利用。

Master Huang: Okay, first thing on the agenda today is recycling.

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然后再利用三边循环法估计未知节点的位置。

Then we use the triangular-centroid method to estimate the location of the unknown nodes.

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然后再利用三边循环法估计未知节点的位置。

Then we use the triangular-centroid method to estimate the location of the unknown nodes.

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