Optimization research of the regional innovation and entrepreneurship environment 并列题名：Optimization research of the regional innovation and entrepreneurship environment Construction of regional innovation and entrepreneurship ecosystem Discussions on innovation and entrepreneurship education On technological innovation and entrepreneurship in the new era 并列题名：On technological innovation and entrepreneurship in the new era Theory and practice of innovation and entrepreneurship education managing the risks of innovation and entrepreneurship Compilation of typical cases for innovation and entrepreneurship Managing the risks of innovation and entrepreneurship