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(A, B) Projection and original trajectories of the beak marker for Camera A and B. (C) 3-D trajectory of the right and left lateral makers of the dolphin with the stroke numbers. t = 0 s was the time when the entire body slipped underwater. The beak reached the water surface at t = 2.232 s. See also S1 and S2 Datasets for the 3-D coordinates before and after lowpass filtering.
