向量平行四边形法
vector-paralleogram method
平行四边形加法
parallelogram law of addition
四边形单元法
quadrangle element method
广义曲边四边形区域族
generalized curved quadrangle
球面曲边四边形
spherical surface curve quadrangle
曲边四边形单元
curved quadrilateral element
窄边四边形元
Narrow quadrilateral element
(符号略)型四边形
type (The symbol is abbreviated) quadrilateral
P1非协调四边形元
P1 nonconforming quadrilateral finite element
补充平行四边形
supplementary parallelogram