货币基金组织估计,如果波动率的两个标准差超过了1990年以后的平均值,新兴市场的利差将扩大两倍。
The IMF reckons that, if volatility moved to two standard deviations above its post-1990 average, emerging-market debt spreads would more than double.
研究人群中的平均依从率为96.3%(标准差,SD:7.7)。
The mean adherence rate in the study population was 96.3% (standard deviation, SD: 7.7).
用12个区域来测量收缩期圆周应变时间和应变率,并用应不峰值时间和应不率的标准差来表示心肌不同步。
Time to peak systolic circumferential strain and strain rate were measured in 12 segments, and myocardial dyssynchrony was expressed as the SD of time to peak strain and strain rate.
第二章对CCFI和BDI及CCFI分航线指数之间平均收益率、标准差、偏度、峰度、序列相关性等基本统计量进行了比较分析。
Then it comparatively analyzes some basic statistic of CCFI and BDI, which include mean, standard deviation, skewness, kurtosis, autocorrelation, and so on.
同时分析了垂直风速标准差,发现其有明显的日变化特征,并且与大气折射率结构常数有很好的相关性。
Also it is found that the standard deviation of vertical velocity is relative to the refractive -index structure constant well.
在赤道这一标准差是0.5%,这就是说在30天间隔纬向平均反射率增加1%,在95%水平时统计上是显著的。
This means that a zonal mean albedo increase of 1% for a 30-day interval is statistically significant at the 95% level.
正态母体特征值(母体均值、百分位值、百分率、标准差和变异系数等)的检验是工程中常见的问题。
The normal population characteristics, such as the mean, standard deviation, percentile, percentage and coefficient of variation, are often tested in engineering.
正态母体特征值(母体均值、百分位值、百分率、标准差和变异系数等)的检验是工程中常见的问题。
The normal population characteristics, such as the mean, standard deviation, percentile, percentage and coefficient of variation, are often tested in engineering.
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