URL：https://www.researchgate.net/publication/343491879/figure/fig2/AS:921743841579008@1596772265404/a-All-short-PbP-b-All-long-PbP-c-3-out-of-4-short-PbP-d-3-out-of-4-long-PbP.jpg
掲載元：https://www.researchgate.net/figure/a-All-short-PbP-b-All-long-PbP-c-3-out-of-4-short-PbP-d-3-out-of-4-long-PbP_fig2_343491879
