The distribution density in both communities was affected by the flood of the Yangtze River.
两种群落钉螺分布密度不同程度受长江洪泛的影响;
The noise conditions defined by the paper include two factors:noise strength and noise distribution density.
本文中定义的噪声条件包括噪声强度及噪声分布密度两个因素。
A distribution density function used to express the drop size distribution is obtained by means of mathematical statistics.
用数理统计的方法得到了描绘粒度分布的分布密度函数。
Objective:To study the distribution density and morphology of 5-HT immunoreactive cells in the digestive tract of Gallus domestius.
目的:研究家鸡消化道的5-羟色胺(5-HT)免疫反应细胞的分布密度及形态。
The color spatial distribution density can provide the color spatial distribution information for CBIR(Content Based Image Retrieval).
在基于内容的图像检索中,颜色的空间分布密度能提供颜色在空间的分布信息。
Feature data points acquired by structured light scanning are accurate and the distribution density of those data points is nonuniform.
结构光扫描获取原始数据精度较高,但是存在数据密度不均的问题。
From distribution density of landslide and debris flow, the southern distribution density is over the northern in the Heihui River Basin.
从滑坡泥石流分布密度上看,黑惠江流域南部密度大于其北部密度。
It has the most scenic and its distribution density is the largest. Main peak erect in the south of Hua valley, ravin stream past through it.
主峰矗立其南,涧水穿行其中,是华山景区各峪谷中景观最多,分布密度最大的峪谷。
A method of path planning based on rolling Windows with function of normal distribution density for mobile robot was presented in this paper.
在原有滚动窗口路径规划方法基础上,提出基于正态密度函数的滚动窗口路径规划方法。
The solution of this fractional order advection-dispersion equation is fractional stable probability distribution density with four parameters.
此方程的柯西问题的格林函数解是一分数稳定分布密度函数。
This paper presents a new concept, color spatial distribution density, gives its computing method and proves the method's rationality and validity.
提出了颜色的空间分布密度的概念,给出了颜色的空间分布密度的算法,证明了算法的合理性和有效性。
The invention maintains the size of the liquid crystal space by regulating the distance or the distribution density of the gap and the opposite substrate.
本发明通过调控间隙物与对向基板的间距或分布密度而维持液晶间距的大小。
The fire intensity model is built by the mathematic expectation that the forces that are arrayed in given distribution density attack the saturation air attack forces in a minute.
火力强度模型则通过以特定兵力密度分布在本区一分钟内抗击饱和进袭的敌空袭兵器的数学期望值建立。
Experimental results show that this improved scheme can preserve topological relationship very well, but the distribution density of the input data can not be reflected quite well.
实验结果表明,这种改进方案可以很好地保持拓扑关系,但输入数据的分布密度却不能得到较好的体现。
The diving depth distribution density function of an actual submarine or submersible can be determined by considering all the factors of the design parameters, task and action area.
可根据潜艇的设计参数、任务及航行区域等因素来选取最可能的分布形式获得潜深分布密度函数。
When a inverse function of monotone function can not show the explicit formula, the distribution density curve of continuous randon variable can be gained with a parametric equation.
当单调函数的反函数不能显性表示时,连续型随机变量的分布密度曲线仍可通过参数方程的形式获得。
Firstly, the wall effect of the aggregate distribution density of concrete and the formation mechanism of boundary layers were investigated by applying a simple simulation algorithm.
首先,应用一种简单的模拟算法,分析了混凝土骨料分布密度的边界效应和边界层形成机理。
When the state process has Markov property, the recursive formulae for the conditional distribution density functions of filtering, prediction. and interpolation, are given respectively.
当状态过程具有马氏性时,还分别给出滤波、预测以及内插的条件分布密度函数的递推格式。
The resulting settlement maps show how the distribution and density of the rural population around the city changed dramatically between AD 500 and 850, when copán collapsed.
由此产生的聚落地图显示,公元500年至公元850年,科潘古城崩溃时,城市周围农村人口的分布和密度发生了巨大变化。
The spatial distribution of that image represents the electron density around the atom.
图像的空间分布就代表了原子周围的电子密度。
A laser pulse can modify the electron's state so that it has the density distribution shown in green.
一束激光脉冲可以改变电子的状态,使得其有了图中绿色显示的密度分布。
A laser pulse can modify the electron s state so that it has the density distribution shown in green.
一束激光脉冲可以改变电子的状态,使得其有了图中绿色显示的密度分布。
To increase the rack density, IBM created a new modular water cooling and distribution system.
为了提高机架密度,IBM开发了一种新的模块化水冷和分布系统。
Thecrux of this dispute concerns the precise statistical distribution ofregions of different density.
这一争端的关键在于不同密度区域分布的准确统计。
Figure 1 shows a typical normal probability density function, so called because most observations fall into this sort of distribution.
图1显示了一个典型的正态概率分布函数,这样命名是因为绝大多数值都属于这个分布范围内。
Ni : Average population density in area i. To simplify the analysis, Earth’s surface is divided into a grid of squares i, and the distribution is assumed to be uniform in each.
Ni:指i区的平均人口密度,为了简化分析,地球表面被按照网格分成多个i区,每个区的分布假定是统一的。
Without considering other aspects carbon nanotubes with the same aspect ratio have entirely uniform trend in charge density relative distribution curve.
在忽略其他条件影响下,长径比相同的碳纳米管,电荷密度相对分布曲线趋势完全相同。
The atomic density and velocity distribution in the laser excitation zone is very important for the atomic vapor laser isotope separation (AVLIS).
在激光同位素分离中,激光作用区内原子的密度和速度分布对分离过程有重要影响。
Then the distribution model of elevated road pollutant concentration was established, taking vehical density as the main variable.
根据分析结果,以车密度为主要变量,建立了高架道路污染物浓度分布模式。
The results show that the density distribution of ion and electron is similar to electric field distribution.
结果表明,在电离的初始阶段,电子、离子密度分布与场分布同步。
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