1)  exogamy
异系交配
2)  outbreeding
异系交配
3)  linebreeding
同种异系交配
4)  variation coefficient
变异系数
1.
Analysis on the variation coefficient of response spectra of earthquake ground motions;
地震动反应谱变异系数分析
2.
Investigation and Analysis of the Weight Variation Coefficient of the Silkworm Rearing with Artificial Diet;
人工饲料育家蚕体重变异系数调查与分析
3.
The variation coefficients between body height and chest circumference were also analyzed.
具体讨论了中老年男性的体型特征,各类体型中身高与胸围的分布特征,身高与胸围的变异系数,体型特征的因子构成及因子中变量的相关关系等。
5)  coefficient of variation
变异系数
1.
In the aspects of fiber property,raw material selection,hemp fibre pretreatment,key production process and technological measures etc,this paper puts forward some relative index points and solutions to decrease yarn evenness coefficient of variation,increase strength and improve the quality of the hemp/cotton blended yarn.
从纤维性能 ,原料选配 ,麻纤维预处理 ,关键工序生产工艺配置与技术措施等方面入手 ,围绕降低大麻棉混纺纱条干均匀度变异系数 ,提高成纱强力 ,进一步提高大麻棉混纺纱品质 ,提出若干相关指标与解决方
6)  variance coefficient
变异系数
1.
The variance coefficient of gold element is a sensitive indication for recongnition of available level of metalizatioin of rock-gold built in the high gold content area ,and the intensive differentiation is related to regional ge.
变异系数是识别高值区岩金成矿有利程度的敏感指标,金元素的强烈的分异作用与区域地质作用有关。
2.
Some measurements for decreasing the variance coefficient and improving the evenness of permeability therefore improving the burning ability of cigarette paper are discussed.
通过调整生产工艺及设备改造,提高了卷烟纸的透气度及均匀性,降低了变异系数,使卷烟纸的质量得到提高。
3.
Through increased production percent of yield,distinct difference,variance coefficient method,regression coefficient method,high stabilization coefficient method and non parameter tolerance method etc,adaptability of ten new maize varieties are analyzed at four pot of high elevation mountain areas in this paper.
用产量增产百分数、差异显著性、变异系数法、回归系数法、高稳系数法和非参数度量法等多种分析方法 ,对 10个玉米新品种在高海拔山区 4个地点的适应性进行了系统聚类。
7)  heterotactic enthalpy
异系焓
8)  Difference coefficient
差异系数
1.
The analytical results should be modified by a difference coefficient when the uneven character analysis is based on all the arriving ships.
若采用全部船舶到船资料分析到船不均衡性时,需用差异系数对分析结果进行修正。
2.
Based on the technology of multivariate statistical analysis,taking the principal component as the information of stock market;the difference coefficient of principal component as the portfolio selection index are put forward.
本文充分利用多元统计分析的技术,提出了用主成分综合反映证券市场的信息;用主成分的差异系数作为投资组合的指标;得到了一个新的投资组合模型,并给出了具体的投资策略———卖空与非卖空条件下的投资组合的比例。
9)  singular systems
奇异系统
1.
The methods of stabilization and robust stability for singular systems;
奇异系统的鲁棒稳定与镇定方法
2.
H-infinity control for a class of switched linear singular systems;
一类切换线性奇异系统的H_∞控制
3.
State feedback H_∞ control for class of switched singular systems with state delay;
一类切换时滞奇异系统的状态反馈H_∞控制
10)  singular system
奇异系统
1.
Robust H_∞ control for a class of uncertain singular systems;
一类不确定奇异系统的鲁棒H_∞控制
2.
H-infinity control for singularly perturbed systems:a method based on singular system controller design;
奇异摄动系统的H_∞控制:基于奇异系统的方法
3.
Robust control of uncertain singular systems;
不确定奇异系统的鲁棒控制
补充资料:变异系数
分子式:
CAS号:

性质:又称相对标准差。是测定标准差与测定平均值之比,以符号V表示。可用它来比较在量纲或数量级上不同的测定数组的相对离散程度的大小。

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参考词条