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Fig. 2

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Different kinds of structures traced by 13CO (3−2) emission classified in Sect. 3.2. (a) Typel (single velocity component) leaf structures. (b) Type2 (separated velocity components) leaf structures. (c) Type3 (blended velocity components) leaf structures. Orange boxes mark the subregions divided in Zhou et al. (2023). (d) Typel (orange) and type2 (magenta) branch structures. In panels a-c, orange and red ellipses represent i-leaves and c-leaves, respectively.

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