热应力指标是为保持人体热平衡所需要的蒸发散热量与环境容许的皮肤表面最大蒸发散热量之比。
分析了热应力的概念及其评价指标。
The concept of heat stress and its evaluating index are analyzed.
从高温高湿环境影响人体生理机能的机理出发，阐述了热应力评价指标的使用范围，提出了现有热应力研究有待解决的问题。
The application range of evaluating index of heat stress is expounded based on the mechanism that a high temperature and high humidity environment affects human physiological function.
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