查询词典 standard deviation

In the best condition of headspace and chromatogram, the mensuration of aquatic trace volatile can get a satisfaction result such as chloroform , carbon tetrachloride , trichloroethylene and perchlorethylene, all relativity standard deviation RSD is less than 4%,all the correlation coefficient R is larger than 0.99, and the relative error is less than 3%.

在选择最佳的顶空和色谱条件下，测定水中痕量挥发物三氯甲烷，四氯化碳，三氯乙烯和四氯乙烯可获得令人满意的结果，相对标准偏差RSD均小于4%，相关系数R均大于0.99，相对误差小于3%。

The central studied content is: the studying for the C and R in the distance measurement, the study for standard deviation of distance measurement of the total station instrument, the study and calculation of illustration for the formula of periodic error of the total station instrument, the checking of horizontal angle.

主要的研究内容有：全站仪测距加乘常数的分析，全站仪测距标准偏差的研究，全站仪周期误差公式的分析及其实例计算，全站仪水平角的检定(多齿分度台法和多目标平行光管法)，一测回水平方向标准偏差计算公式的分析，一测回竖直角标准偏差的合理性分析及其实例计算。

According to three compared experiments, which are using simple tactile guide, with visual guide and with tactile board, we conclude that the simulated phosphene positioning system with tactile board is accurate (the mean error is less than 10mm) and reproducible (the standard deviation is less than 6mm) in evaluating simulated phosphene.

如此循环往复，在经过简单触觉导航、加入视觉导航和具有触摸板导航的三个对照性实验后，我们得出具有触摸板导航的模拟光幻视定位系统能够精确(平均误差小于10mm)且稳定(标准差小于6mm)的对模拟光幻视点进行定位。

Noise scale factor is introduced and used to describe and process the standard deviation of photoelectrons of photodetector.

引入噪声比例因子来描述和处理光电探测器的误差。

Its relative standard deviation and relative error are all less than those by ithizoneextraction photometry.

该方法的相对标准偏差和相对误差均小于双硫腙萃取光度法。

Since launch in December 2005, Pleiad has produced an annualised return of 12.2 per cent, with an annualised standard deviation of just 4.22 per cent.

自从2005年12月创立以来，Pleiad的年回报率为12.2%，而年标准差仅为4.22%。

The usual examples of aggregated data are average, median and mode while the more complicated are standard deviation and Poisson distribution.

通常的例子，汇总数据的平均数，中位数和模式，而更复杂的标准偏差和泊松分布。

With a camera (640pixel×480pixel and 0.097 3mm/pixel as resolution of target),50 samples are taken at each distance of 1m,9m and 18m.The standard deviation is 0.009 37mm,0.034 2mm and 0.086 0mm for polar radius,0.843′,1.26′ and 1.57′ for angle,respectively.

采用640pixel×480pixel摄像机(光靶分辨率为0.0973mm/pixel)，在1m、9m和18m处分别摄取50幅图像，测量结果的极径标准偏差分别为0.00937mm、0.0342mm和0.0860mm，极角标准偏差分别为0.843′、1.26′和1.57′。

The standard deviation is the variance positive square root, the formula ...

标准差是方差的正平方根，公式。。。

The positive square root of the variance is called the standard deviation.

方差的正的平方根叫做标准差。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。