1·Main board market is the production of industrial economy era, it provides financing channel for enterprises in comparatively mature industry.
主板市场是工业经济时代的产物，它主要为处于相对成熟产业的企业提供筹资渠道。
2·As a transition economy, the market mechanism of China is not mature, and this leads to the market environment of natural monopoly in China's is great particularity.
中国作为转型经济，市场机制还不成熟，这决定了中国自然垄断企业所处的市场环境具有很大的特殊性。