Difference between science and science and engineering disciplines

Science and technology includes two disciplines, science and engineering, in science, there are fourteen first-level disciplines including mathematics, physics, biology, chemistry, astronomy, geography, geology, atmospheric sciences, etc.; in engineering, there are metallurgical engineering, mining engineering, petroleum engineering, electrical engineering, mechanical engineering, thermal and power engineering, civil engineering, architecture, computer science and engineering, software engineering, etc., and thirty-seven First-class disciplines. Science disciplines mainly study the theoretical aspects of science; while engineering disciplines mainly study the specialized science and technology of industry, construction and other sectors. What is said above is for reference only.