负需求 meaning in Chinese

negative demand

This paper presents some concepts such as required gravitation , negative required gravitation , required resultant force and decision - making gene etc . , describes and analyses required theory in form of required gravitation , founds the model and method of decision - making required resultant force , lists the analyzed casts and presents the evaluate guide line
提出了需求引力、负需求引力、需求合力、决策因子等概念，以需求引力的形式来描述与分析需求理论，建立了基于需求合力的决策模型与方法，给出了分析案例，提出了决策评价准则。