查询词典 two-dimensional distribution

We predicted the range of S. invicta within China by applying two models: climate model and dynamic model of fire ant colony growth. We also explored the distribution factors of soil temperature and precipitation in China.

利用气候模型和种群动态模型对红火蚁在中国可能的分布范围进行分析，并从地温和降雨两个方面探讨了其气候制约因素的地理分布特征。

First, it has summarized the two features of BT flow for designing the identification engine later by analyzing and studying the network traffic of a representative P2P system—BitTorrent in the aspects of the flag bit of transport layer, the size of packet, TCP hand-shaking time and the distribution of packet size.

首先本文针对具有典型代表意义的P2P系统—BitTorrent的网络流量进行了传输层标志位、数据流分组尺寸、TCP握手时间和数据流头部分组分布四个方面的分析和研究，总结出了BT流量的两个特征，用于后面识别引擎的设计。

In morphology, it is resemble to the female of Narcissus flycatcher, which is a partly sympatric distribution species. But there are some remarkable differences between the two species, especially in the songs of the male during the breading season.

它在形态学上与其部分同域分布的黄眉姬鹟的雌鸟有些相似，但又有区别，特别是二者的雄鸟在繁殖期的鸣唱截然不同。

In this chapter,using Newman-Penrose formulism,we reduce the Einstein-Maxwell equations to a Sturm-Liouville style two order ordinarydifferential equation and give a new way to construct distribution valued solutions ofthe gravitational field.

利用这一结果，我们还给出了一种构造引力场分布解的方法。

According to Bessel function and Fourier series theory, generation, magnitude and distribution of voltage harmonic generated by single-phase two-level SPWM inverter and three-phase SPWM inverter are analyzed and calculated particularity and concretely in allusion to inverter-motor system.

然后针对逆变器-电动机系统，利用贝塞尔函数和傅里叶级数理论，分别对单相二阶SPWM逆变器和三相SPWM逆变器的输出电压谐波的产生、大小和分布进行了细致而具体的分析和计算。

This paper use Monte Carlo method in Excel to dynamically simulate the service status and waiting time of university dinning room windows. This method based on "random number" is usually used to solve practical problems with complicate probability distribution. This paper simulates one window and two windows of a dinning room separately. Through 1000 simulations and statistic analysis to get conclusions, thus bring up reference frame to decision maker.

用蒙特卡洛法在Excel上对大学食堂的窗口服务状态和排队等待问题进行模拟，分别模拟了食堂在开设一个窗口和两个窗口的情况下学生的排队问题，通过1000次模拟的统计分析得出，该方法具有简便、易行、实用性强的特点，为决策者提供了参考依据。

In this thesis, we discuss several problems which exist to qualitative theory of the functional differential equation, within which we develop further two important theories, so-called the 3/2 - stability theory and the distribution of zeros of solutions of the functional differential equation.

本文中，我们对泛函微分方程定性研究中存在的若干理论问题进行探讨，对其中两个重要问题即3/2—稳定性理论和零点距估计问题，作了进一步推广。

For two typical spectrum distribution, Gauss and Lorentz, the quantitative relation between input light linewidth and the effective linewidth of the ring resonator is given.

对两种典型的谱分布，光源给出了有效精细度与入射光线宽之间的定量关系。

This case are same to light, moderate arid severe erosion type, which turn out to be a curve similar to Gaussian distribution, but soil erosion types at the two sides of the curve are totally different, in the left side of the curve, soil erosion are dominated by moderate and severe erosion type, arid in the right side of the curve, mainly soil erosion type is light erosion.

这种情况对于轻度、中度及强度土壤侵蚀的影响是类似的，都呈类正态分布的曲线形式，但在曲线的两侧土壤侵蚀类型是有本质区别的，在曲线的左侧土壤侵蚀类型的分布是中度和强度为主，而在曲线右侧则以轻度为主。

When the financial time series is Gaussian distribution, the two methods of selection time delay will have the same result.

当金融时间序列为高斯分布，选择时间延滞的两种方法具有相同的结果。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！