沙暴能否避免杨其嘉１９９３年５月５日发生于我国西北地区的特大沙尘暴，使新疆、甘肃、内蒙古、宁夏４个省的１８个地区，７２个县受灾，成灾面积１１０万平方公里。８５人死亡，３１人失踪，２６４人受伤；５６０万亩农作物受灾，２４．５万亩果园受害；１２万头牲畜死... Whether the sandstorm can avoid the catastrophic sandstorms that occurred on May 5, 1993 in northwestern China by Yang Qijia and affected 18 districts and 72 counties in 4 provinces of Xinjiang, Gansu, Inner Mongolia and Ningxia, with a disaster area of ​​1.1 million square kilometers. 85 were killed, 31 were missing, and 264 were injured; 560 million mu of crops were affected and 245,000 mu of orchards were harmed; 120,000 dead animals died ...