共 50 条
- [31] Roadside safety in the 21st century TRAFFIC CONGESTION AND TRAFFIC SAFETY IN THE 21ST CENTURY: CHALLENGES, INNOVATIONS, AND OPPORTUNITIES, 1997, : 118 - 124
- [32] The safety challenges of the 21st century PROCEEDINGS OF THE EUROPEAN CONFERENCE ON SAFETY IN THE MODERN SOCIETY, 2000, 33 : 101 - 104
- [35] Technology and society in the 21st century JOHNS HOPKINS APL TECHNICAL DIGEST, 2001, 22 (01): : 83 - +
- [38] Sleeve technology for the 21st century POLYMERS, LAMINATIONS & COATINGS CONFERENCE, BOOKS 1 AND 2, 1998, : 1135 - 1139
- [39] Mining technology for the 21st century E&MJ-ENGINEERING AND MINING JOURNAL, 1999, 200 (04): : 18 - +