查询词典 standard deviation

To expressed the data with mean±standard deviation,adopted Student's t test.

比较两种药物在治疗高血压过程中胰岛素敏感性的变化。

The mean value and standard deviation of every image were calculated to obtain the global statistical feature.

分别计算图像R、G、B三通道的均值和方差，获取了图像的全局统计特征。

Data was analyzed by percentage, mean, standard deviation, T test, and Pearson correlation.

资料分析采用百分比、平均值、标准差、t检定、及皮尔森积差相关等统计方法。

The Six Sigma Black Belt should be able to compute the mean and standard deviation from a grouped frequency distribution.

六西格玛黑带应该能够计算出一个分组发生频次分布数据的均值和标准偏差。

Analysis of a large number of test data shows that tail-cutting off points of strength distribution are determined on mean±2 standard deviation .

通过对大量试验数据的分析表明，强度分布的截尾点应取为均值±2倍标准差。

Standardisation of Data around given mean/standard deviation.

标准化的数据大约是指由於/标准偏差。

The probability, the mean value and the standard deviation of the largest response amplitude of the system have been given.

给出了考虑干摩擦时系统最大振幅发生的概率、均值和标准差。

Descriptive Statistics; Mean, Standard Deviation, etc.

统计学的描述：均值，标准偏差等 5。

Results: The good linear range of method was 10 to 1000μg/ml (T=0.9999) with the correlation coeffivient of 0.9999, and the limit concentration in air was 0.2 mg/m^3 with the average relative standard deviation less than 5%(n=6). The average sampling rate ranged from 96.6 to 100%, and the breakthrough capacity of l00mg activated charcoal was 4.7mg. The average desorption rate was 97.6%, and mesityl oxide absorped in activated charcoal tube was stable for 7 days and can be detected accurately with other gas coexisting in the air of workplace.

结果：异亚丙基丙酮浓度在10~1000μg/ml内呈良好线性关系，相关系数0.9999，最低检出浓度为0.2mg/立方公尺，相对标准偏差＜5%(n=6)；气体采样效率≥96.6%，100mg活性炭对异亚丙基丙酮的穿透容量为4.7mg，平均解吸效率97.6%；活性炭样品室温下可保存7天；丙酮、丁酮、异佛尔酮、苯、甲苯、二甲苯等共存物不干扰测定。

Sample data were selected by standard deviation law and factor variables were selected by the method of principal components analysis, stepwise and enter regression analysis. The forecast precision of the model is 87.35%.

样本数据筛选采用标准差法，因子变量筛选采用主成分因子分析法、多元线性回归的逐步回归和强行进入法等方法，建立的多元回归模型预测总体精度达到87.35%。

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。