Fig. 6

Area proportion of vulnerability grading compared AHP with PCA (*the figure was drawn with CorelDRAW Graphics Suite 2023 (https://dl.cleverbridge.com/1103/rxrj06-29866-C0BB8CB7-397645995/CDGS2023.exe/)).

Area proportion of vulnerability grading compared AHP with PCA (*the figure was drawn with CorelDRAW Graphics Suite 2023 (https://dl.cleverbridge.com/1103/rxrj06-29866-C0BB8CB7-397645995/CDGS2023.exe/)).