随着我国科学技术的飞速发展,综合国力的不断提高。我国逐渐从依赖从国外进口大部分设备到现在可以自主研发某些设备出口至国外。 With the rapid development of science and technology in our country, the comprehensive national strength has been continuously improved. Our country gradually relies on importing most of the equipment from abroad and can now independently research and develop certain equipment for export to foreign countries.