层次双向驱动
Layered and Bidirectional-driving
值型凸二次双层规划
value-type bilevel convex programming
双层一次挤出
double-layer coating co-extrusion
双歧层次分析鉴定法
Dendrogram hierarchy process analytic
凸二次-线性双层规划
quadratic-linear bilevel programming
一次性双层施肥
One-off double-layer fertilization
单面涂层双层纸板
one-side coated duplex board
生铀层双层结构
Uranium-bearing double—layer structure
双层双跨混凝土框架
double-story and double-span RC frame
双层双曲抛物面网格壳
hyperbolic parabolic double-deck reticulated shall
双层双扇形
double-layer twin fans shaping
层次、层片结构
hierarchical-synusia structure