表中光照度数据为上午和下午两次观测值的平均值。
The data of solar radiation in the table were the average of forenoon and afternoon.
对于随机的变化关键要记住的是，实际的观测资料都在平均数或者中间值周围。
The key thing to remember about random variables is that actual observations are centered around an average, or mean value.
图1：正态概率分布函数，它表明实际的观测值可能会偏离期望值(或者平均值)。
Figure 1: Normal probability density function, which illustrates that actual observations may vary from the expected (or average).
基于该融合公式，证明了在单传感器系统中，当样本观测值一定时，分组数据融合的估计效果优于单组算术平均的估计效果；
In a single sensor system when the sample amount is constant, the estimation result of data fusion to subdivided into groups is superior to arithmetic average of single group.
从圆心上的观测值减掉这个平均值，就得到剩余值。
The residual value is the observed value at the center minus this average.
计算结果表明，计算值与观测值吻合得比较好，计算值与观测值相对偏差的平均值小于2.5%。
The results show a good agreement between measured and computed va-lues and mean value of the bias is less than 2.5%.
双重星系或天体系统，用动力学方法测定其质量时，观测到的视向速度和距离间距，都是各自值的投影值，可用统计方法，求出一个关于它们的平均投影因子。
Both of the observed radial velocity and separation being projective values, in order to determine the mass of binary galaxies the average projection factor may be derived by a statistical method.
结果表明：模拟的农沟排水量与试验观测值极为接近，年平均排水量误差仅为0.4%；
Results show that the simulated drainage volume from the field ditch is extremely close to the observed value, and the relative error of annual drainage volume is only 0.4%;
拒绝级别将被设置在低于平均水平的观测值的50安培的最大。
The reject level will be set at a maximum of 50 amperes below the average value observed.
基于观测到的数据猝发到来之间时间间隔，取平均值获得可能的呼吸间隔值；
Based on the inter-arrival time of data packets obtained from the learning function, the mean of these inter-arrival time is the possible sniff interval;
基于观测到的数据猝发到来之间时间间隔，取平均值获得可能的呼吸间隔值；
Based on the inter-arrival time of data packets obtained from the learning function, the mean of these inter-arrival time is the possible sniff interval;
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