查询词典 logistic

The changes of renal function are decreasing with age in senile inpatients .

病因相关Logistic回归分析显示：年龄、尿酸、高血压、冠心病是肾功能中、重度受损的独立危险因素。

In Chapter 3,a first order partial differential equation with delay and a multi-dimensional variable is investigated.

我们在第四章考虑含时滞的Logistic方程〓1在该方程中，b，c和时滞〓的大小对方程的正定态解U的稳定性有极其重要的影响。

Analylize the relationship within space of retail property、retail variety and degree of departmentalization with simple linear regression model、logistic regression model and discriminate analysis.

研究标的以台湾的新光三越A4馆、新光三越A8馆、新光三越A9馆、新光三越台南西门店、美丽华与101，美国的Four Season与Puentehills Mall，新加坡的SunTech City等九个购物商场，共五十四个楼层平面为研究样本，利用GIS地理资讯系统的空间资讯处理功能，分析并计算柜位业种部门化程度，将商场空间、业种多样性与部门化程度三者之间的关系，利用线性回归模型作分析。

This is a logistic derivation that concerns chain of industry of network movie and TV.

这是一个关乎网络影视产业链的逻辑推导。

And the semi-lethal temperature of the plant tissues was gotten according to Logistic equation. The result shows that these cultivars' semi-lethal temperatures distribute from -2.91 to -5.48℃. With the application of geography information system, the temperature suitable ecotopes in China of Bougainvillea were established by use of -3℃, the general lethal temperature, as the determinator.

对我国广泛栽培的21个三角梅品种进行了模拟低温电导率测定，确定低温致死范围在-2.91℃～-5.48℃之间；以三角梅品种普遍致死温度-3℃为依据，采用地理信息系统进行了三角梅在我国的温度适宜区划。

Therefore it is of great importance to notice the difference when applying Logistic equation in global optimization.

因此对于利用虫口方程进行的混沌优化研究需要谨慎采用。

Geotechnical engineering; settlement prediction model; logistic curve; differential evolution; parameter optimization

岩土工程；沉降预测模型；逻辑斯谛曲线；微分进化算法；参数优化

It is the basic work of modernization and digitalization for enterprise's logistic management.

它解决了企业物流管理"高成本、低效率"的问题，是企业物流管理现代化和信息化的基础。

Secondly, regarding the diffusion rate as a bifurcation parameter, we show that the one-dimensional competition diffusion system with infinite delay and Dirichlet boundary condition exhibits the spatiotemporal structure near the steady state of the system.

介绍问题的生物学背景，概述Logistic模型和Volterra模型的研究历程并提出我们所研究的课题，另外还给出了所需的基础理论。

In this paper, the method of synchronizing chaos by driving of discrete chaotic system in continuous chaotic systems is proposed. The logistic map, Henon map and the system of Lorenz are taken as three typical examples.

提出了用离散混沌系统驱动连续混沌系统导致其同步的方法，以逻辑映象、Henon映象、Lorenz系统为例，数值地研究了这种混沌同步方法。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。