backward effect造句

Net backward effect calculation of water conservancy investment in capital construction in main river basins of china
我国主要流域片水利基建投资后向净效应的计算
Moreover , according to the model , forward and backward relation between human capital industry and others is calculated , as well as forward and backward effect of increasing investment in human capital industry to gdp , and the demand drive and impulse of the human capital investment to other industries and the whole economics are worked out
分析了二者的后向与前向联系以及人力资本部门投资对gdp的后向和前向效应，获得人力资本相对于其他部门投资在整个经济中的推动作用和需求拉动作用，以及通过这些作用对其他部门的总产出产生的影响。
It's difficult to find backward effect in a sentence. 用backward effect造句挺难的