balance transportation problem
Production and Transportation Problem
linear programming problem LP problem
servomechanism-type problem servo problem
bilevel linear programming
bilevel multi-objective programming
bilevel positive air pressure
bilevel positive air way pressure
Bilevel positive airway pressure
双相气道正压通气
双水平呼吸道正压通气
双阶正压呼吸器
双水平正压通气
bilevel positive airway pressure (BIPAP) assisted ventilation
bilevel positive airway pressure BiPAP assisted ve
bilevel positive airway pressure ventilation
Bilevel positive airway pressure ventilator
bilevel programming
二层规划
两层规划
二级规划
双层规划
Nash均衡解
双水平规划
2层规划
主从规划
Bilevel programming model
linear bilevel programming
3C transportation planning process
3C(持续的、合作的、全面的)交通规划程序
异常点（带）
Abnormal Transportation