(1) The ability of independent innovation is insufficient, and core technology is controlled by others\x0d\(2) The ability to digest and re-innovate imported technology is weak, and the imported technology is not combined with independent innovation and improvement of industrial competitiveness\x0d\(3 ) A technological innovation system with enterprises as the main body and a combination of industry, academia and research has not yet been formed\x0d\ (4) Human, financial and material investment are seriously insufficient