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减员预计是战时卫生勤务的重要内容。根据英军的定义,减员率是指单位危险暴露人群(PAR)在单位暴露时间的伤亡数量。减员预计是指先通过历史分析
Attrition is expected to be an important part of wartime health services. According to the British definition, the rate of attrition is the number of casualties exposed by the unit during the unit exposure time. Attrition is expected to pass the first historical analysis