查询词典 logistic curve

A receiver operating characteristic curve was used to assess the performance of the Logistic regression model.

用ROC曲线法评价Logistic模型的预报能力。

Then the developmental trend of transportation is predicted using an established logistic curve model.

并通过建立Logistic曲线模型，推算出我国交通运输的发展趋势。

The dry matter accumlation of grain accorded with "Logistic" curve.

子粒干物质的累积过程符合Logistic曲线。

The results indicated that the dynamics of dry matter accumulation and nutrient uptake of flue-cured tobacco could be described by logistic curve equation.

结果表明，不同镁浓度下烤烟干物质积累和养分吸收动态可用Logistic方程描述。

Results Dry matter accumulation of single root tuber accorded with logistic curve under the conditions of four treatments.

结果4种栽培密度下白首乌个体块根干物质积累动态的拟合均呈Logistic曲线变化。

Switching costs ; lock-in ; network effects ; competition ; logistic curve

切换成本；锁定；网络效应；竞争； Logistic曲线

This paper first analyzes the character and parameter demarcating of Logistic Curve and Picketage Model s S Curve, then puts forward a traffic forecasting method based on this two curve models.

本文分析了逻辑斯蒂曲线和定标模型S曲线的特征和参数标定。

This paper first analyzes the character and parameter demarcating of Logistic Curve and Picketage Model s S Curve, then puts forward a traffic forecast ing method based on this two curve models.

在此基础上提出将这两种曲线模型结合起来的交通量预测模型，并应用于规划公路网路段的交通量预测，取得了较好的预测结果。

Based on the domestic patent search and filter,the research used Logistic model and Loglet Lab 2 software to generate the patent S-curve of time-the number,and emplied S-curve for evolution of TRIZ to analyse the current stage of the technology fields.

研究以国内专利检索和筛选数据为基础，利用Logistic模型和Loglet Lab 2软件生成时间-专利件数S曲线，采用TR IZ理论的S曲线进化法进行预测。

In order to contribute to analyse and compute easily setback moving devices on the projectile fuzes,and to make the fuze devisers be able to get the approximate acceleration curves with a few parameters such as tube length and muzzle velocity of the guns,the displacement-time curve and velocity-time curve of gun interior ballistic are fitted with the Logistic models,then the formula of projectile acceleration curves in bore are gotten by the derivation of the formula of fitting velocity-time curve.

为了便于炮弹引信后坐运动机构的分析和计算，能使引信工作者只根据身管长度和炮口速度等少量参数就能获得弹丸膛内加速度近似曲线，运用Logistic函数拟合火炮内弹道的位移－时间曲线和速度－时间曲线，再对拟合得到的速度－时间曲线求导便得到了弹丸膛内加速度近似曲线。

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。