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•S°Å¤O¤¤¤ß¡]Shear center¡^¡B¼¦±±`¼Æ¡]warping constant¡^
•t§áÂàºD©Ê¯x¡]torsional moment-of-inertia¡^
•t§áÂàÅs¦±®À¦±±`¼Æ¡]torsional-flexural buckling constant¡^
¹êÅéÂ_± ¡]Solid sections¡^: