查询词典 U-boat

The significance of group differences was tested using Student's t-test or Wilcoxon-Mann-Whitney U test in nonparametric distributions.

组别差异的显著性在非参数分布下使用Student的t测试或者Wilcoxon-Mann-Whitney U测试进行测试。

First, the proposed scheme uses contourlet transform to extract multidirectional and multiscale texture information, and then obtains the feature points invariant to the affine transformation from the low and middle directional subbands by Harris-Affine detector. Second, the feature regions are adaptively computed by the feature scale of the local structure and normalized by U transform. The watermarking is embedded adaptively in those characteristic regions which are normalized. Finally, by vector quantization, several copies of the watermark are embedded into the no overlapped local feature regions in different directional subbands.

首先，用Contourlet变换提取出多尺度、多方向的纹理信息；再用Harris-Affine检测算子从变换域的中、低频方向子带中提取出仿射不变特征点，结合自适应局部结构的特征尺度确定特征区域，并用U变换对其归一化处理，水印就自适应地嵌入到归一化后的区域中；水印嵌入采纳矢量量化的策略，将水印信息重复嵌入到不同方向子带、多个不相交的局部仿射不变特征区域。

Coleman automorphism occurred first in the study of the normalizer Nu of G in the units U{RG of RG.

Coleman自同构始于研究有限群G在群环RG的单位群U中的正规化子。

Cultivation of the recombinant strain in LB medium resulted in a nuclease yield of 62 U/mL.

在LB培养基中培养此基因重组菌，可得核酸分解酵素产量62 U/mL。

That value is then divided by the twice number of repetitions in the U direction, to determine how much each brick in the row should be offset.

那个数值是除以在U向的两次循环，去决定在每行上每块砖被位置的数值。

For the previous month, an all Vietnamese operation called "Operation u-minh" had been attempting to drive the VC and NVA regulars from the area.

在过去的一个月，所有越南行动称为"操作的U -胡志明"已试图推动该地区的VC和北越军队的常客。

U Ⅱ might be involved in the occurence and development of diabetic nephropathy.

UⅡ水平与糖尿病肾病的发生和发展可能有关。

The resistance of common resistor parts of an apparatus is changeless, they accord with Ohm's law in circuit, namely I=U/R.

普通电阻器件的电阻值是固定不变的，它们在电路中符合欧姆定律，即 I=U/R。

The English vowels a, e, i, o, and u grew out of the Greek letters alpha, epsilon, eta, iota, omicron, upsilon, and omega.

英语中的元音a， e， i， o 和u就来自于希腊字母的α，ε，η，ι，ο，υ和ω。

For each examiner, nonparametric statistical analysis (Mann-Whitney U test) was used to compare the distribution of times for examination by ophthalmoscopy vs telemedicine.

对于每个诊查者，对眼底镜检查法与电子远程医疗的检查时间的分布采用非参数统计分析（Mann-Whitney U检验）进行比较。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。