国营大中型企业.在我国社会主义经济建设中起着骨干作用,其活力增强了,我国的国民经济增长就有了可靠的基础。由于从投资角度看增强大中型企业活力有其不同的侧重点,因而.本文对制约大中型企业活力的投资体制上的因素进行分析,提出若干增强大中型企业活力 State-owned large and medium-sized enterprises have played a key role in China’s socialist economic construction, their vitality has increased, and China’s national economic growth has a solid foundation. As there are different focuses on enhancing the vitality of large and medium-sized enterprises from the perspective of investment, this paper analyzes the factors of the investment system that constrain the vitality of large and medium-sized enterprises, and puts forward several suggestions to enhance the vitality of large and medium-sized enterprises.