1)string polygon,连力多边形2)polygon of forces,力多边形3)multiply-connected polygon,多连通多边形4)polygon of force,多边形力学;力多边形5)force polygon method,力多边形法6)Polygon of forces,力的多边形
用法例句
Based on limited balance theory, the formula of force polygon method used to calculate the soil pressure of gravity retainwall for cohesionless soil under water is provided in .