查询词典 standard deviation

The linear range for resorcinol is 5.0×10^(-9)~1.0×10^(-4) mol/L with the detection limit of 3.0×10^(-9) mol/L. The relative standard deviation is 3.5% for 1.0×10^(-6) mol/L resorcinol in 11 repeated measurements.

该法测定间苯二酚的线性范围为5.0×10^(-9)~1.0×10^(-4)mol/L，检出限为3.0×10^(-9)mol/L，相对标准偏差为35%（1.0×10^(-6)mol/L间苯二酚，n=11。

So when the wavelength of the incident light changes, only the position of rhomb-type retarder need to be changed to allow the light to represent oblique incidence in the front of rhomb, and then selecting suitable incident angle can compensate the dispersion phase deviation, and make the same rhomb possess standard λ/4 phase retarder under all different wavelengths.

当入射光的波长改变时，只需改变菱体延迟器的方位，让光线在菱体的前端面上斜入射，适当选取入射角，就可以补偿相位延迟的色散偏差，使同一菱体达到对不同波长都满足λ/4相位延迟。

The root mean square error for regressed rainfall is around 65﹪ of the standard deviation and about 15﹪ of the mean rainfall.

回归的平方根误差是其标准差的60％和平均雨量的15％。

Experimental results show that it outperforms the discrete wavelet transform approach with 33% to 36% reduction in root mean square error, 0.9% to 53% improvement in standard deviation of gray level, 39% to 42% enhancement in mutual information, and 0.3% to 38% improvement in space frequency.

实验结果表明，与小波变换融合方法相比，均方根误差减小了33%~36%，灰度标准差提高了0.9%~53%，互信息提高了39%~42%，空间频率提高了0.3%~38%，客观评价准则与目视效果吻合良好。

Monte Carlo and self-adaptive multi-objective genetic algorithm were applied to solve the multi-objective robust optimization of suspension parameters, taking the statistic mean and standard deviation of root-mean-square value of the vertical acceleration of vehicle body and the dynamic load of front and rear tires as objective functions.

以某载货汽车的四自由度悬架模型为研究对象，同时考虑制造精度的影响，以车身垂直加速度、前后轮胎动载荷的均方根值的统计均值和方差为目标函数，采用蒙特卡罗抽样法和自适应多目标遗传算法对悬架参数进行稳健优化。

Please note that our sample size was rather small, therefore the standard deviation could be quite large.

请注意我们的样本大小相当小，因此标准偏差能是相当大的。

Further, considered the considerable uncertainty of current sample variance, a reliability estimation method based on t-distribution theory and empirical logarithmic standard deviation is proposed.

进一步考虑到工程实际中当次可靠性试验的样本方差具有较大不确定性的因素，提出了基于对数标准差经验值的t分布可靠性评估方法。

The standard deviation of a sampling distribution.

抽样分布的标准偏差。

We conclude that the two-funds strong separation theorem holds and that the mean-variance efficient frontier is a straight line in standard deviation-expected return space under given partial information whether short selling is allowed or not.

综合考擦卖空机制和部分信息情况，我们得到结论：在确定部分信息下，无论是否允许股票卖空，二基金强分离，均值一方差有效前沿在均值一标准差空间是一条直线。

Do you understand the full significance of the results, and various components like standard deviation. and Sharpe ratio.?

你能明白不同参数导致的结果吗，比如标准背离，夏普比？

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。