... SHL Sudden Hearing Loss 突发性耳聋 SHR Standing Heart Rate 静息心率 SI International System of Units 国际标准单位,源于法文 ...
双语例句
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Objective To study structure of the unstable periodic orbits (UPOs) of R-R interval signals of heart during orthostatic standing, and to reveal the dynamic characters of heartrate variability (HRV).