查询词典 truncated sample

The Mann-Whitney test is the nonparametric equivalent to the two-sample t-test and has little power with small sample sizes.

Mann-Whitney检验等同于参数检验中的两样本的t-检验，但对于同样的样本容量，检出力较小。

In the parameter estimation of the probability of default model,nonrandom sample selection will cause sample selec- tion bias and bring biased parameter estimation.

在贷款违约概率模型的参数估计过程中，样本选择的非随机性会产生样本选择性偏差，导致参数估计有偏。

In the meantime, a new relation between the coefficient of variation for a normal variate and its sample size is achieved, where the probability to make mistake Ⅱ is considered 5 The probability distribution of fatigue strength at given life under large sample size determined by a new method is found to follow the log-normal distribution and normal distribution, and a new method are developed to estimate the characteristic parameters of probability distribution of fatigue strength from the probability distribution of traditional tensile properties.

根据P-S-N曲线的要求，采用概率统计方法，导出了考虑犯Ⅱ类错误的概率时获取给定精度P-S-N曲线所需的最少子样容量，引入了不同方法获取的P-S-N曲线结果是否趋同的判别标准，得到了P-S-N曲线的寿命求解法和系数求解法获得趋同结果的条件。 5）研究了大子样条件下指定寿命时疲劳强度的概率分布，并提出了根据拉伸性能的分布估算材料疲劳强度概率分布参数的一种方法。

The results showed that over 70% sample stations in May and August of both two years were mesotrophy and eutrophication; and over 40% sample stations in February and November were mesotrophy and oligotrophy in both years.

结果表明，2个年度中5和8月均有超过70%的站位评价结果为中营养型和富营养型；而2和11月均有超过40%的站位呈现中营养型和贫营养型。

Solid-phase extraction technique has become increasingly popular in recent years because it is experienced with several major advantages: the fast, simple and direct sample application in very small size without any sample loss; higher preconcentration factor; rapid phase separation; the ability of combination with different detection techniques in the form of on-line or off-line mode; time and cost saving.

而固相萃取与原子光谱检测技术联用在痕量元素的分离富集和形态分析中也发挥着日益重要的作用。

In order to deal with the problem of face recognition with one sample per person, a method called sub-block Principal Component Analysis based on partitions of the sample is presented in this paper.

针对单样本人脸识别问题，本文提出了一种基于单样本切割的子模块主成分分析方法。

Comparing with the previous stimulus-response method with only one sample port, the new method has the advantages of more reliable, simpler algorithm and more flexible for position of the sample ports.

与一点取样的动态响应曲线法相比，新的两点动态法具有数学模型的边界条件简单，对取样点的放置位置比较灵活，结果可靠等优点。

Product fashionable, comfortable and generous, can be ordered sample, style can be customized for different sizes of our style code number may also be in accordance with the incoming sample custom make.

产品款式新颖，舒适大方，可来样订购，款式可按我方款式定做不同大小码数，也可以按照来样定做。

When outputting parameters were five grades,the correct rate (82.5%) in primitive sample of Ordered Logit model was higher than test sample of the Back-Propagation Network model one and model four (64.583% and 60.417%).

四、当输出变数为五个等级时，Ordered Logit模型原始样本分类正确率（82.5％）高於倒传递类神经网路模型一及模型四之测试样本（64.583％及60.417％）。

But if you compare the outturn sample of the present parcel with that of your previ9ous supplies - a sample of which I've brought with me - you will readily see a marked difference in colour.

但是你如果把这批货的抽样同上一批货比较一下（我把上批货的抽样带来了）就容易看出颜色明显不同。

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。