共 50 条
- [45] U.S. EPA to study recreational water quality, swimmer health Water Environment and Technology, 2002, 14 (06): : 10 - 12
- [48] Hybrid car to arrive in Europe and U.S. in 2000 Diesel Progress International Edition, 1998, 17 (05):
- [50] Airborne laser countermeasure device delivered to U.S. air force Defense Electronics, 1994, 26 (11):