Terms for subject Bridge construction containing polygons

English	Chinese
circumscribed polygon	外切多边形
closed force polygon	闭合力多边形
concave polygon foundation	凹多边形基础
equilibrium force polygon	平衡力多边形
equilibrium polygon	索多边形
equilibrium polygon	平衡多边形
equilibrium polygon of forces	力平衡多边形
force equilibrium polygon	力平衡多边形
force polygon	力线图
four-sided polygon	四边形
funicular polygon	线索多边形
funicular polygon	索多边形
inscribed polygon	内接多边形
link polygon	索多边形
polygon of forces	力多边形
regular polygon	正多边形
string polygon	索多边形