A formula for the calculation of pollution threshold in the assessment of a single pollutant is put forward and some thresholds are listed under significance levels, relative standard deviation and sample size.
根据数理统计的原理 ,将环境质量标准、平均值、标准偏差以及样本容量综合进行考虑 ,提出了污染分界线的计算公式 ,并以表格形式给出了不同显著性水平下 ,不同的相对标准偏差和样本容量所对应的污染分界线 ,对污染分界线与样本容量及相对标准偏差的关系进行了讨论 ,指出提高监测精度和适当增加监测数据个数 ,可以使污染分界线接近评价标准。
If the standard residuals are constructed by the statistic of t distribution,the critical values are variable which depends on the degree of observation freedom and the given significance levels.
若基于学生化分布构造标准化残差,其临界值可由观测自由度以及给定的显著性水平确定。
Two parameters used in multivariate statistic analysis,F-statistics quantity and level of significance,were imported here for multivariate air situation analysis.
空中敌情分析是防空作战中的重要环节,提出一种用于空情分析的优化模糊聚类方法,引入了多元统计分析中的F-统计量与显著性水平两个参数进行多元空情分析,详细介绍了优化模糊聚类方法在空情分析中应用的过程与步骤,得出了空情分类的一个优化结果,其错误概率低于一般的聚类方法所得的分类结果,证明了此方法的可行性及可靠性。
Established a method evaluating the fuzzy cluster validity with F-statistics of multivariable statistics and changing levels of significance,and constructed a Validity funtction of cluster with the minimal level of significance.
在模糊聚类分析中,引入多元分析中的F-统计量和变化的显著性水平,用其评价模糊聚类的有效性,并用分类的F-统计量满足最小显著性水平的F检验构造了分类的有效性函数,在此基础上给出求有效分类的优化模型和模型的求解方法。
It results that the level of significance would be appropriately chosen, to guarantee the proper credibility level.
并说明要选择恰当的显著性水平，以保证检验的置信度具有合理性。
is the significance level used to compute the confidence level, a number greater than 0 and less than 1
用来计算置信区间的显著性水平,一个大于0小于1的数值
Note： The figures share the same capital or small letter has no significant difference at1% or5% level. It's the same for the following table.
标有相同大、字母的数字之间的差异没有达到1%5%显著性水平。下同。
Note: The capital letters indicate the significant difference at1% level.
注：大写字母表示差异显著性0.01水平。
the sexual distinction does not lead to distinctive different of mental health;
男、女生的心理健康水平无显著性差异;
The hemoglobin and plasma protein level of the premature maternity were significantly lower than that of the control group.
早产妇的血红蛋白、浆蛋白水平均明显低于足月对照,差别有显著性。
The statistical discrepancies of infant' s temperament dimensions were activity level, rhythmicity and approach-withdrawal between male and female.
男女幼儿间差异有显著性的气质维度为活动水平、节律性和趋避性;
The prevalence of CHD for male(2.55%)was significantly lower than that for female(4.75%).
男性患病率(2.55%)显著低于女性水平(4.75%),性别比为0.54∶1。
Results indicated that the drying conditions would affect water dispersion and water contentequilibrium significantly.
干燥条件对方便米粉的平衡含水量和水分扩散特性有极显著影响。
Analysis the Relationship between High Level of ALT in Chronic Hepatitis B and Initiative Negative of HBVDNA
慢性乙型肝炎ALT显著高水平与HBVDNA自动转阴相关性分析
Among the shame proneness factors, the influential effect of personality factor was more significant than the other three ones.
个性羞耻维度对社交焦虑水平的影响较其他羞耻感因素更加显著。
a Book that gives ample evidence of the author's scholarship.
一本充分显示著者学术水平的书
Shandong's level of utilizing foreign capital rises significantly
山东利用外资水平显著提高
The consumption level and living quality have increased considerably.
消费水平和生活质量显著提高。
On the other hand,DSP can shorten water maze latency,enhance the correction percentage of mice injected reserpine.
显著缩短利血平化小鼠水迷宫潜伏期。
The army's level of modernization in weapons has improved significantly.
武器装备现代化水平显著提高。
(1) is equal to 0.9983, which is remarkable at Level α=0.001. The EMF of the cell was less affected by the alumina content in the bath.
(1)的相关系数γ=0.9938,在α=0.001水平上显著。
Note: lowercase shows significantly different at P0.05, the below is same.
注:小写字母表示0.05水平差异显著,下同。