查询词典 marginal contribution

The structure and heterogeneity of urban green space in the five districts in Fuzhou , which included the main tree species with diameter at breast height distribution, height class, health class, importance value, relation and the green space patches with areas distribution, perimeter distribution, porosity, connectivity, marginal density, dominance, the characteristics of geo-statistics and so on, were studied in quantification by the use of the principle of landscape ecology combining with the method of studying porosity and connectivity and geo-statistics.

本研究应用景观生态学的原理结合孔性、连通性研究方法和地统计方法对福州市五个行政区的绿地结构和异质性进行了量化研究，包括：城市绿地主要树种、树种的胸径分布、树高等级、健康等级、重要值和多样性、主要树种间的关联度以及绿地斑块大小分布、周长分布、斑块的孔性、连通性、边缘密度、优势度、斑块的地统计学特性等。

Functional requirements of habitat for these two species, expressed as habitat suitability and marginal density efficiency, and factors reflecting human disturbances such as the weighted road density and buildup density, were used in the calculation of a cost surface for Least Cost Analysis.

因此挑选杂食性的台湾黑熊及草食性的台湾长鬃山羊为目标物种，利用物种对於两个栖地因子（栖地适宜度、边际密度效应）及人为干扰因子（道路加权密度、建物密度）的反应强弱，制作成本曲面图。

By dealing with regularization error,sample error and hypothesis error,we estimate the total error in terms of properties of the kernel,the input space,the marginal distribution,and the regression function of the regression problem.

样本相关的假设空间将为误差分析带来一项额外的假设误差，这一点与通常情况下样本无关的假设空间有本质的区别。

As the connection of marginal distribution function, the Copula function may not only reflect the relativity of random variable, but also may describe the random variable's related pattern well. Therefore we may use the different Copula function to describe the different related pattern.

作为连接随机变量边缘分布到联合分布的函数，Copula函数不仅可以反映出随机变量间的相关程度，而且可以较好地描述随机变量间的相关模式，因此可以用不同的Copula函数来表示不同的相关模式。

The correponding marginal distribution of the Wigner function denotes the probability in the eigenvalue space of Bell measurement.

二、利用纠缠态表象我们提出了三模压缩算符及三模压缩态，三模压缩算符是由SU（1，1）生成元组成的。

Based on the Fourier transform of the marginal distribution of the image segmentation method, this is my graduation project, the code is very wide, you can run.

基于傅立叶变换的边缘分布的图象分割方法，这是我的毕业设计，代码很全，可以运行。

Finally, the relationship of LRWT and generalized marginal time-frequency distribution is studied.

本文围绕时频分析的有关理论和应用进行了研究，主要研究工作及取得的研究成果包括： 1。

The primitives to be estimated are parameters describing the firms' marginal costs and the distribution of consumer tastes.

这个简单的办法被认为是描述企业边际成本和消费需求分布的参数。

Explain and evaluate J. B. Clark's marginal productivity theory of distribution.

解释和评价克拉克的边际生产力分配理论。

The former can be described completely by their marginal distribution, while the latter by copula function linking them.

其中单个金融资产的风险可以完全由它们各自的边缘分布来描述，而由投资组合产生的风险则完全由连接它们的Copula函数来描述。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。