查询词典 variable density system

Result enunciation:The different density of the nourishment liquid is Peperomia obtusifolia to take root in number and a fresh and heavy performance functions,the water、1/2 nourishment liquids distinguish to express the result best;The different density of the hormone to take root number and a density for fresh and heavyly handlin...

结果表明：用不同浓度的营养液处理豆瓣绿，以1/2营养液生根效果最好，达13.3条，根鲜重达0.093g/棵，清水次之；用不同浓度的生长激素处理豆瓣绿，以30mg/L浓度的3-IBA生根效果最好，生根数达16.5条，根鲜重达0.132g/棵，10mg/L次之；在营养液与激素的互作处理中，清水与30mg/L激素、全营养与10mg/L激素的互作处理分别对豆瓣绿的生根数与根鲜重表现较优。

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。

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。

Taking 17-year-old Ginkgo biloba as test material, the effects of temperature and precipitation on wood ring width, ring density maximum density and minimum density were studied.

以北京地区17年生银杏为试材，研究了气温和降水对银杏木材年轮宽度、年轮密度、最大密度、最小密度的影响。

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。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样