查询词典 random deviation

The mean recovery of fourteen homologous series of benzene is 85%, and the relative deviation is below 5%.

本方法对十四种苯系物的总平均回收率为85%，相对标准偏差在5%以下，最低检测限达3.25×10－9g。

The relative standard deviation was within 6.2%. The contents of benzene series in sediments were betw een 3.79 and 17.36 μg/g.

测得海洋沉积物中的这些苯系物的质量比范围为3.79～17.36 μg/g。

Therefore, it has significance to optimize the demodulation curve. By the use of expansion of Bessel function and optical field overlapping method, the relation between the demodulation curve and the resonant frequency deviation was analyzed.

利用贝塞尔函数展开和光波场叠加的方法分析了谐振式光纤陀螺调相检测系统解调输出信号与谐振频率偏差之间的关系，系统采用的是带有铌酸锂相位调制器的相位谱检测技术。

We give several sufficient conditions for existence and uniqueness of least deviation point and its application in uniqueness of best approximation.

本文在一般线性赋范空间内提出点集的最小偏离问题，给出了最小偏离点的存在性与唯一性的各种充分性判据及其对于最佳逼近元唯一性问题的应用。

So the best approximation algorithm in this domain,which can draw the mini-max solution of the frequency deviation,is introduced in this paper.

为此，在频率控制领域首次引入了最佳逼近算法，它能给出频率偏差的最小-最大解。

Function approximation; best uniform approximation polynomial; deviation point; FPGA

函数逼近；最佳一致逼近多项式；交错点；FPGA实现

We divide this interval into several subintervals, based on deviation points, find the best uniform approximation polynomial of each subinterval, and then denormalize the computation result to the final result.

论文摘要：根据切比雪夫定理，提出了一种适于FPGA实现的函数逼近新方法：通过区间映射关系，将函数定义域映射到较小的逼近区间内，并按照交错点对逼近区间进行分段，分别求出每段的最佳一致逼近多项式，对函数进行分段逼近，最后将逼近结果反映射，得到最终的函数计算结果。

Estimating two parameters of Beta distribution from nonlinear equation made of mean, standard deviation, skewness and kurtosis function.

本文研究测量分布的方法新颖、实用，适用性强，对研究其他测量及工程设计问题均有可以借鉴的意义。

The yield strength of the line pipe is the key factor for strength design of pipelines, but the deviation of the test result of yield strength by the most universal normative round bar specimen and flattened strip specimen cannot be ignored in high strength line pipes, which does give more bewilderedness to the inspection and evaluation of line pipe.

管线钢管的屈服强度是管线强度设计的基本参数，但是最常用的标准圆棒试样和板状试样测试钢管横向屈服强度的结果存在明显差异，并且差异随钢级的提高而增大，给实际的生产检验和评价带来困惑。

In each case, only one of the two possible expected ratios was accepted in all markers, furthermore, no significant deviation from Mendelian inheritance (two-tailed binomial test, P≥0.053). To investigate the polymorphism of AFLP markers, and the genetic diversity in populations of H. discus hannai, eight abalone populations were analyzed by using a total of six AFLP primer combinations. The mean percentages of polymorphic loci of the eight populations were 48.65%, 50.50%, 51.17%, 50.51%, 58.90%, 60.07%, 68.92% and 54.05%, respectively.

皱纹盘鲍群体多样性研究中，选取的6对AFLP引物组合在8个皱纹盘鲍群体内均能扩增出清晰、可重复的扩增产物，扩增带型差异明显。8个群体的多态位点比率分别为：大连养殖群体48.65%、烟台养殖群体50.50%、青岛胶南养殖群体51.17%、青岛崂山养殖群体50.51%、山东长岛野生群体58.90%、山东俚岛野生群体60.07%、日本岩手野生群体68.92%、大连野生群体54.05%；预期杂和度分别为0.2291、0.2438、0.2442、0.2374、0.2626、0.2723、0.3137和0.2802。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。