然后应用心脏生理特征参数和阈值方法对第一心音进行了定位。
Then, physiological parameters of heart feature and threshold method are used to locate the first heart sound.
应用心脏程序电刺激技术测定心室电生理参数及心室颤动阈值。
Programmed electric stimulation techniques were used to analyse the ventricular electrophysiological properties and to measure ventricular fibrillation thresholds.
采用热板法，分别测定小鼠在各时间点注射生理盐水、NS - 398、SC - 560或吲哚美辛后的疼痛阈值。
By exploring hot plate test, we observed the reacting time of animals after injection of saline, NS-398, SC-560 and indomethacin at different time points.
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