Neoclassical growth theory raised the definition of convergence, which means that the growth rate of underdeveloping regions is faster than that of developed ones.
新古典经济增长理论提出趋同的概念:相比经济发达地区,经济落后地区有更快的增长速度。
2
According to the experimental results with toluene and ethanol, the error of the viscometer has been less than 10%, and the further improvement work is underdeveloping.
Electronic payment system is the kernel of E-commerce system. Although the electronic payment system based on E-cash is still underdeveloping, it might be widely used because of its advantage.