改革开放２０年来，我国的科学技术水平有了巨大的提高，科技竞争力已超过了大部分发展中国家和某些中等发达国家。但目前我国主要生产领域中，比较先进的技术大部分是从国外引进的，而且从我国经济整体来看，国民经济的低技术特征十分明显，工业行业整体上仍属于低技术产... In the 20 years since the reform and opening up, China's science and technology have made tremendous improvements. Its science and technology competitiveness has exceeded that of most developing countries and some medium-sized developed countries. However, at present, most of the more advanced technologies in our country are imported from abroad, and from the perspective of our country's economy, the low-tech characteristics of the national economy are very clear. The industry as a whole still belongs to the low-tech industries.