经过２０多年的不懈努力 ,以国有企业为核心的整个国有经济的改革与发展进入了一个新的历史时期。绝大多数的国有大中型骨干企业开始走出困境 ,国有经济整体效益不断提高 ,整个国民经济发展的进程由此明显加快。国有经济的骨干与带头作用得到了初步体现。在步入新世纪、加入Ｗ After more than 20 years of unremitting efforts, the reform and development of the entire state-owned economy with the state-owned enterprises as its core has entered a new historical period. The vast majority of state-owned large and medium-sized backbone enterprises started to get out of their predicament, and the overall efficiency of the state-owned economy continued to increase. Therefore, the entire process of national economic development accelerated noticeably. The backbone and leading role of the state-owned economy have been initially reflected. Enter the new century, join W