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- [36] Study on the Vortex Ring State of Helicopter and Flight Training Operation MATERIALS SCIENCE, ENVIRONMENT PROTECTION AND APPLIED RESEARCH, 2014, 908 : 245 - 248
- [37] Experimental investigation on the boundary of helicopter Vortex-ring state Nanjing Hangkong Hangtian Daxue Xuebao/Journal of Nanjing University of Aeronautics & Astronautics, 1995, 27 (04):