bi·lev·el英baiˈlevl美ˈbaɪˌlɛvəlCOCA¹²⁴⁵⁴³BNC⁹⁷²³³⁺⁷ 基本例句 adj.上下两层的¹⁰⁰ In this paper we first translate a bilevel linear programming into a DC programming. 把一般形式的解型线性双层规划问题等价转化为一个 DC规划问题; cnki In this paper, bilevel linear programming with fuzzy coefficients is studied. 研究具有模糊系数的两层线性规划问题。 dictall