population estimation是什么意思

用法例句

The methodology of graph theory principle coordinates analysis on human population genetic structure;

人类群体遗传结构的图论主坐标分析方法

Application of Intermix Increasing Chain and Intermix Index of Multi-character Populations Information Entropy;

多性状群体信息熵混杂递增链与混杂指数的应用

Differences of nitrogen accumulation amount of population with high yield and good quality in wheat for different end uses;

不同类型专用小麦优质高产群体氮素积累特征分析

An Operational Group Classification Method Based on Evidence Theory;

基于证据理论的作战群体类型建模与识别方法

The Investigation and Analysis on the Information Requirement of the.Group Taking Part in Exam for Postgraduates;

考研群体信息需求的调查与分析

An overview of the abroad study on the effect of group demographic heterogeneity on group performance;

成员差异性对群体绩效影响的国外研究综述1

Study on the keeping fresh technique of the individual and colony with the fruit and vegetable;

果蔬个体与群体双重保鲜技术研究

The Growth Trends and Physiological Research of Sugacane Colony of High Yield with Different Structrue;

不同结构甘蔗群体生理动态变化及产量差异

The colony of autonomous micro mobile robot will run in some unknown and unstructured environment.

自主式微小型移动机器人群体面临的一些环境常常是未知的、无结构的 ,同时由于其自身体积大小的限制 ,在目前的工业水平上也很难在其上安装一些较为先进的传感器 ,以致机器人仅能获取局部的信息 ,这些原因使得采用传统基于任务的设计方法将十分困难 ,而采用基于行为的设计方法时 ,也很难保证所设计的机器人行为的有效性 ,为此本文采用了遗传算法 ,随机产生了机器人群体中各初始个体的障碍物回避行为及机器设备故障排除行为 ,当群体在特定的工作环境中仿真运行时 ,根据环境的情况和所需实现的任务 ,使群体行为性能达到了较为优化的目的 。

The Development of the "Noble" Groups in University Students;

大学生“贵族”群体的成才

On Hunan Proletarian Revolutionaries of the Formation and Characteristics of Groups;

论湘籍无产阶级革命家群体的形成和特点

The preliminary objective of this study was to evaluated heterotic groups and heterotic patterns of a set of 15 newly developed inbred lines.

以5个玉米人工合成群体的15个新选自交系和西南地区常用的8个骨干玉米自交系以及代表我国玉米核心种质的Mo17、黄早四、丹340、478等4个标准测验种为材料,利用SSR标记,进行了杂优类群划分,以15个新选系和8个常用骨干系按不完全双列杂交组配的120个杂交组合为材料,通过单株产量测定、杂种优势估算,分析了杂优模式。

A virus immunization model based on community in large scale networks;

大规模网络的病毒群体免疫模型

Expansion from indivudual to community;

从个体到群体——析《愤怒的葡萄》中主题的扩展

Reconstruct the Social Centre: A Study on Liberal Intellectuals Community after Anti-Japanese War (1945-1949);

重建社会重心：战后自由知识分子群体研究（1945-1949）

Approach to group decision-making with different forms of preference information;

一种有不同形式偏好信息的群体决策方法

A Group Decision-making Method for Integrator Selection in Logistics Service for a Supply Chain;

供应链物流服务集成商选择的群体决策方法

The research achievements about crowd evacuation from public buildings are divided into two categories:one is the four representative achievements,such as cellular automata models,lattice gas models,social force models and fluid dynamic models.

笔者将当前公共建筑内的群体疏散的研究成果归纳为两大类:一是比较成熟的4种代表性成果,如元胞自动机模型、格子气模型、社会力模型和流体动力学模型;二是近年来具有革新意义的3种创新性研究视角,即从agent模拟技术角度、从生物实验角度和从博弈论角度。