寒冷血管反应指数（VRCI）是评价人体冷适应水平的指标之一。
VRCI is one of the indexes for evaluation of human body's adaptation to cold environment.
功率谱密度值与时域指标体温反应指数(TRI)有极好的相关性。
A high degree of relationship was found between the power spectral density and thermal response index (TRI).
参数不稳定或共振比普通共鸣，因为它是由具有危险反应指数增长幅度甚至在阻尼的存在。
Parametric instability or resonance is more dangerous than ordinary resonance as it is characterized by exponential growth of the response amplitudes even in the presence of damping.
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