查询词典 minimum density

It is using Neural Network that the hypha density, total sugar density and product density, is estimated by pH and dissolved oxygen.

本文采用神经网络方法，通过pH、溶氧这两个参数来估计菌丝浓度、基质浓度和产物浓度。

First,we deprived probability density of median closely according to probability density formula of Laplace distribution,from general to special; then we proved the unbiasedness of L 1 estimation according to probability density of median.

笔者基于误差分布理论及概率统计理论，由Laplace分布的概率密度函数公式出发，采用由一般情形到特殊情形的推理方法，严密地推导

This conclusion makes it clear that there is mathematic relationship between parameter ellipsoid and latitudinal density , and we have full reasons to do research on latitudinal density and latitudinal density anomaly.

这样就将不久前提出的"参数椭球"与"纬向密度"联系在了一起，使得水准椭球的纬向密度成为一种数学必然，为研究地球的纬向密度及纬向密度异常找到了充分的理由。

The structural and mechanical properties of ring-spun yarn have been studied comprehensively. The relationships between yarn linear density, yarn twist, and the relative yarn structural and mechanical properties have been obtained. Through statistical analysis of yarn linear density, twist, and strength of 200 groups of pure cotton yarn, and considering some influence factors, such as carded or comed, application of long-staple cotton, experiential functions of yarn relative strength with yarn linear density and twist have been obtained.

对环锭纱结构力学性能进行系统研究，得出环锭纱的相关力学性能参数与纱线线密度和捻度的关系；通过对从工厂收集的200组纯棉纱线线密度、捻度、强力等数据的统计分析，并综合考虑纱线线密度、是否精梳、是否使用长绒棉等因素，得出了线密度和捻度与纱线强力相对值的经验函数关系。

And the 4 cases demonstrated the high density, fragment of the femoral head and cystic lucency zone in the high density area and mixed density could be seen in 3 cases.

CT扫描20 例，平扫均表现为股骨头形态塌陷，其中显示高密度硬化4 例（占20%），股骨头碎裂，显示高密度区内有不规则透亮区，呈高低混杂密度改变有3 例（占15%）。

Considering the bit density of magnetic disk an order of magnitude higher than the track density for a long time, the track density of magnetic disk is the bottleneck problem in expanding the capacity of magnetic disk.

长期以来，磁盘的位密度一直比其道密度高一个数量级，大幅度地提高磁盘的道密度是制约磁盘容量提高的"瓶颈"问题。

For the joint density function of 2-D continuous random variables, a new function can be obtained by upper limit-variable integral, and then, by normalization of the new function according to the property of density functions, a general marginal density function was constructed.

对二维连续型随机变量的联合密度函数，在一定要求下变上限积分得到新函数，依据密度函数性质进行规范化，从而构造出一个广义的边缘密度函数。

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。

Minimus density were collected from 1984 to 1993. Grey correlation analysis was carried out to study the relationship of 18 indices with An. minimus density. E variable was developed and its relation to the An. minimus density was analyzed to establish an evaluation model.

对18项指标与微小按蚊密度的关系进行灰色关联度分析，按照灰色阈值筛选评价指标，合成变量E，研究变量E与微小按蚊密度的关系，从而建立微小按蚊密度评价灰色模型。

The objective of this paper is to analyze medical expenses records of a group in a year. The Kernel Density Estimation, a nonparametric method, is used to estimate the density function of natural logarithm of medical expenses amount. Then the estimated density function is used to estimate the means and variances of medical expenses amount spent by the inpatients per time.

本文研究了某团体一年的住院医疗费用记录，运用非参数模型中的核密度估计方法，对每次住院费用对数的分布密度进行了估计，并用它进一步估计了每次住院费用的均值和方差，取得了较好的效果。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。