Research Article
Design of Honeycomb Microperforated Structure with Adjustable Sound Absorption Performance
Figure 2
Improved honeycomb core: (a) screw;(b) inner MPP; (c) honeycomb core internal structure; (d) honeycomb core section view; (e) top view of the honeycomb core; (f) top view of the inner MPP; (g) knob.
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