Research on quality assurance of international technical and vocational education 并列题名：Research on quality assurance of international technical and vocational education the innovative development of international technological and vocational education Research on quality assurance of international cooperative education in higher vocational colleges Research on quality assurance of career and technical education in the United States International comparison of teachers in technical and vocational education 从区域到全球：国际职业技术教育的创新发展：the innovative development of international technological and vocational education Environmental education in technical and vocational education Research on the interdependence of industry and vocational education Research on the quality evaluation indicators system of secondary vocational education