排在前四位的培训需求依次为战时心理护理、战救五项技术、野战外科护理、战伤休克；
The top four training requirements are psychological nursing in wartime, five basic skills of rescue and treatment of war wounds, field surgery nursing, and war wound shock nursing.
失血性休克是战伤死亡的一个重要原因，输血是解决这一问题的最重要措施。
Hemorrhagic shock is a key cause of war injury leading to death, and blood transfusion is the most important method to solve this problem.
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