In pathological death, the diseases of circulatory systems hold the first place, and in non-pathological death, the suddenness of a cerebral blood vessel holds the first place.
病理性死亡原因中循环系统疾病居首位，非病理性死亡原因中脑血管意外居首位；
If combined with a "non-pathological" ECG, and a convincing lack of clinical and family history, echocardiography can act as a powerful tool in distinguishing pathology from physiology.
如果联合非病理ecg，没有充足的临床证据和家族史，超声心动图在从生理功能中区分病理变化起到很重要的作用。
The signal of brain activity is a non-stationary random signal including lots of physiology and disease information, which is of important action for doctors to judge pathological changes in brain.
脑电信号是非平稳的随机信号，其中包含了大量的生理和疾病信息，对于医生判断脑部是否有器质性的病变具有重要作用。
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