查询词典 variation coefficient

For the variation of short period of astronomical factors, whether for local time or local sidereal time and lunar phase there is the phenomenon of occurrence of concentrating a interval time for the earthquakes. For the short variation of earth rotation this phenomenon is clear; either the earthquakes occur in most fast or in lowst of earth rotation.

对于天文因素的短周期变化，无论是对于地方时，地方恒星时与月相，都有集中发生在某一段时间的现象；对于地球自转的短周期变化更是比较明显，要么发生在其变化最快时期，要么发生在其变化的最慢时期。

One QTL for SRLD was detected on chromosome 12 with about 12%variation, and two QTLs for SRLD were detected on chromsome 2 and 11, and about 13.37% and 18.23% of total phenotypic variation were explained.

这与以前的报道所得到种子根长相关的 QTLs 所在位点不一致，这种不一致性可能是由于不同遗传材料及不同实验条件的差异所致，也可能是因为表型测定时期不同所致。

This paper first presents the variation regularity of active seeking range along with the change of relative bearing ,and then derives out the equations of deflection firing angle considering the variation of seeking range. A method for the calculation of optimal deflection firing angle of snake search torpedo is provided at last.

本文根据主动自导作用距离随舷角变化规律，推导了考虑到自导作用距离随舷角变化时求解最优提前角的迭代公式系，最后提出了蛇行搜索鱼雷射击的最优提前角求解方法，并给出了有关结论。

The variation is due to the variation of the magnetic reaction.

这些变化是由不同磁性的永磁颗粒的相互作用造成的。

As the results suggest that, during the period of 1800～2005, the 82-year and 48-year quasi-periodic components are available for the secular variation of dipole magnetic field, which are not directly related to the periodicity of the length-of-day variation.

结果表明，1800～2005年期间，偶极子磁场长期变化有82年和48年准周期分量，它们与日长变化的周期没有直接关系。

This article considers the type of variation which has been investigated via a form of linguistic geography, concentrating on regional varieties and the factors involved in social variation in language use.

这篇文章将集中研究地区方言和社会方言及其形成的主要因素。

Based on the theories of language variation and lexical diffusion, this paper describes and analyzes the variation and change of Xuanhua dialect from various angles. It combines not only the diverse methods of descriptive linguistics, linguistic geography and sociolinguistics, but also the data of apparent time and real time.

本文在综合运用描写语言学、地理语言学和社会语言学等学科理论与方法的基础上，以语言变异理论与词汇扩散理论为理论依据，将显像时间研究材料和真实时间研究材料结合起来，对宣化方言变异与变化问题进行多角度描写、分析与研究。

The maximum and the maximal variation of sea ice appear in Weddell Sea and Ross sea, while the minimum and the minimal variation of sea-ice appear inAntarctic Peninsula.

南极海冰最多和最少期分别出现在 9月和 2月；威德尔海和罗斯海地区海冰最多、变化最大，南极半岛地区海冰最少，变化也小；近 35年来环南极地区的海冰有明显的减少趋势。

To explore the mechanisms responsible for formation and variation of O3 at the surface, the variation characteristics of the surface O3 over Waliguan had been analyzed based on near eight years of continuous observations of surface O3 at Waliguan atmospheric baseline observatory from 1994 to 2002, combined with the Waliguan CO data and O3 and CO data of other three near high elevation globe background stations, Mauna Loa, Jungfraujoch and Izaa in the same period.

为探讨地面O3生成和变化机制，利用青海省瓦里关大气本底基准观象台1994~2002年的地面O3连续观测资料，结合同期瓦里关CO数据及3个相近高海拔全球背景站点Mauna Loa， Jungfraujoch， Izaa的O3和CO资料，对瓦里关地面O3变化特征进行分析。

The results of empirical research of the three models show: The listed companies with irregularity actions are arranged in the aftermost part on the basis of evaluating results in accord with facts; the evaluating results of coefficient of variation model and catastrophe theory model is high correlation and more exact than the results of KMV model; when choosing credit risk models, we should consider the differences between indexes' models and unindexes'models.

三个模型的实证分析表明：受违规处理的上市公司排名都靠后，评估结果符合实际情况；变异系数模型和突变级数模型结果高度相关，并且比KMV模型结果的准确性更高；在选择信用评估模型时，要考虑指标评估和非指标评估模型的差异。

Bob Eckert has been chairman and chief executive of Mattel for eight years.

美泰董事长兼首席执行官鲍勃·埃克尔特在任已8年。

The outlook for honors and disgraces carries on and surpasses the traditional outlook for honors and disgraces theoretically, and carries on and develops the theory of construction of socialist mora...

社会主义荣辱观的提出在理论上是对传统荣辱观的一次继承和超越，是对社会主义道德建设理论的继承和发展，在实践上有利于形成良好的社会风尚。