factorn.因素；因数；因子vt.把 ... 因素包括进去vi.作为因素factor rating[经] 素质评定factor syntax[计] 因式语法factorability因子可分解性factors chain生态因子链factor module商模factor's lien概念胞factor income生产要素收入factor matrix因素方阵factor of man人的因素factor system因子组