1) equivalent deviation
等价离差
2) Price Dispersion
价格离差
1.
An Empirical Study on Price Dispersion in the Hotel Online Booking Market: Based on Beijing, Shanghai and Guangzhou;
酒店网上预订价格离差实证研究——以北京、上海和广州三地为例
2.
According to this hypothesis, deduction that can be tested obtained from this hypothesis is that e-commerce will lead to lower market prices and the price dispersion between different vendors will d.
普遍认为,电子商务市场能够有效地降低搜索成本,提升信息传递效率和透明度,从而使市场效率得以提升,甚至有论者进而提出了“电子商务市场将导致无摩擦交易”的理论假说以及由此假说可以得到的可检验的一个推论——电子商务将导致市场价格水平的降低和不同销售商之间价格离差的消失。
3.
According to this hypothesis, deduction that can be tested obtained from this hypothesis is that e-commerce will lead to lower market prices and the price dispersion between different vendors w.
由此假说可以得到的可检验的推论是电子商务将导致市场价格水平的降低和不同销售商之间价格离差的消失。
3) deviation of equal value
等价偏差量
4) equivalent error joint
等价误差连接
5) equivalent difference scheme
等价差分格式
1.
The two basic concepts, numerical Riermann invariants and flux limiter, combined wih the equivalent difference scheme of the semi discrete difference scheme of Chakravarthy and Osher are adopted to the numerical simutation of three-dimensional complex flows.
结合数值Riemann不变量和通量限制器(FluxLimiter)的概念,将基于Chakravarthy和Osher半离散差分格式的等价差分格式应用于三维复杂流场计算,应用时间相关法和全流场捕捉技术,获得了Ma=10,a=10°状态下球头绕流结果,壁面压力分布与Rusanov的计算结果相符合,在此基础上细致地刻画了在Ma=7,a=20°状态下绕流带座能飞船的复杂流场。
6) equivalent covariance matrix
等价协方差矩阵
补充资料:等价
等价
equmrience
等价[剑两钧山”沈:,K,二a二e盯。ocT‘] 集合X上的具有下列性质的二元关系(binary rela-tion)R任XxX二 l)对任意x:义只义(自反性(代倪xi访ty)); 2)义RJ,冷夕撇(对称性(s yrnrnetry”; 3)x脚八y几冷x几(传递性(。双瑙迈讨ty夕). 如果f是集合X到集合y内的映射,则关系R“{(x,,习二fx、二久}是一等价关系. 对任意y任X,所有与y等价的x组成的集合U任X称为是y的等价类(闪比讼1日篮笼cla铝).任意两个等价类要么不相交,要么重合,也就是说,任意一个等价关系定义了X的一个分划,反之亦然. B.H.rp“吐山时撰张锦文、赵希顺译
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