time indices

Methods: The study group comprised 70 patients with chronic CHF, the control group involved 162 patients with compensatory heart function secondary to cardiovascular diseases. All patients underwent 24 h ambulatory electrocardiogram, time domain indices of HRV and VA were analysed.

方法：用24小时动态心电图监测分析70例心衰患者（心衰组）和162例心功能代偿的心血管病患者（对照组）的HRV时域指标及室性心律失常。

A summarization of basic theory of distribution systems reliability is presented. At the same time, systems reliability indices formulas are introduced.

综述了配电系统可靠性评估和可靠性经济学的基础理论，并介绍了可用于可靠性评估的各项指标。

The basic theory and method discussed in this paper makes use of wavelet neural network for the prediction in time series of stock indices.

进而研究了利用小波网络进行股票指数序列预测的基本理论和方法。

The concepts and the computative measures of time and regional ecological indices were put forward.

同时提出时间生态指数和地区生态指数的概念和计算方法。

Shrink packaging systolic time intervals as sensitive indices of left ventricular performance

收缩时间间期是左室作功的敏感指标

Effect of Magnetic Flux Density and Magnetized Time on Blood Indices of Common Carp

磁通量密度和磁化时间对鲤鱼血液学指标的影响

Some problems have been discussed, such as the error factors, the positive anomaly of velocity ratio, the anomalous time indices and the relation between anomaly and seismic gap.

本文讨论了地震波速变比异常在地震预报应用中的一些问题。如多台求波速比值方法的误差因子、是否存在正异常的问题、关于异常时间的判别指标以及异常与空区的关系等。