In this paper, the bi-property right system and its realization during the transformat...
基于上述思想,提出转型期“双产权”制度构想及其实现机制。
This model was used for the technological transformat-ion of the iron-casting machine in Xiangtan Steelworks.
本文应用简化后的铸铁机力学模型对湘潭钢铁厂的铸铁机进行了技术改造。