The occurrent time and duration of severe arrhythmia were observed.
以严重心律失常的发生时间和持续时间为观察指标。
Objective: to understand the influence of the distance from the occurrent region of the sudden public health accident to the medical workers on medical personnel's emotion changes.
目的：考察突发公共卫生事件(应激源)发生在不同地域时，医护人员的情绪变化。
We analyzed the cause of focal depth distribution and explained the precursory mechanism of small and moderate earthquakes with occurrent condition and characteristics of strong earthquakes.
通过分析中小地震深度分布特征的原因，结合强震发生的条件和特性，对中小地震前兆机理进行了解释。
Objective: to investigate the potential of learning vector quantization (LVQ) artificial neural network tools for discrimination and forecasting of occurrent intensity of typhoid and paratyphoid.
目的：探讨学习矢量量化(LVQ)人工神经网络在伤寒、副伤寒发生强度判别与预测中的应用。
Objective: to investigate the potential of learning vector quantization (LVQ) artificial neural network tools for discrimination and forecasting of occurrent intensity of typhoid and paratyphoid.
目的：探讨学习矢量量化(LVQ)人工神经网络在伤寒、副伤寒发生强度判别与预测中的应用。
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