这项研究报告发表在网络版《环境与健康展望》杂志上，据报告披露该研究涉及了188名年龄在4岁至9岁的儿童，他们分别出生于1998年至2002年之间。
The research involved 188 children between the ages of 4 and 9 who were born between 1998 and 2002, according to the study published online in the journal Environmental Health Perspectives.
因此研究网络环境下，异构信息检索的标准体系成为当前信息检索领域的一个研究热点。
Therefore, a research on the standard system of heterogeneous information retrieval under the web environment becomes an important topic of current information retrieval area.
研究用户在网络环境下访问目录和其他搜索工具的需求和方法以开发用户化的用户工具。
Research user needs and approaches in accessing the catalog and other discovery tools in a networked environment to develop user tools for customization.
如何在IP网络环境下尽可能提高视频图像的传输质量，是网络视频领域的研究热点，也是视频通信所必需解决的关键问题。
How to improve transmission quality of video image under IP network environment is a hot point of network video studies and a key point requiring solution as well.
因此，对网络环境下的地图自动综合进行探索与研究已经迫在眉睫。
So the study of automatic cartographic generalization in the web environment is of the utmost urgency.
因此，本文基于分布式网络并行环境研究了对XML文档的并行处理方法。
Based on the distributed parallel computation environment that based on network, this paper study the parallel processing of XML.
第一是关于人工神经网络的理论，第二是研究人工神经网络在空间环境预测预报中的应用。
The first part introduces the theory of artificial neural networks and the second part investigates the applications of artificial neural networks in the prediction of space environments.
论文中研究了异构环境下的网络选择算法。
In this paper, the network selection algorithms are investigated in the heterogeneous environment.
提出网络信息政策的概念，分析网络信息政策的特点和类型，阐述网络信息政策环境和网络信息政策的功能与研究方法等。
The author firstly discusses the concept of network information policy, then analyzes its characteristics and types, and studies its functions and research methods.
研究了企业在营销信息网络环境下渗透型产品营销策略的调整和模拟过程。
The process of rescheduling and simulation of permeability production marketing strategy is studied under the network of marketing information.
它是一个由17个区域网络组成的国家生态学研究和环境教育平台。
It will also serve as a platform for national ecological study and public education, consisting of 17 regional networks.
论文首先对网络环境下企业技术创新过程组织的理论基础进行研究。
Firstly, this paper analyzes the theoretical bases of enterprises' technological innovation process organization.
因此，如何适应网络环境下的渠道变革，是所有童装企业需要认真研究的重要课题。
Therefore, how to fit the revolution of sales channel on network becomes a serious study objective for all the kids garment enterprises.
其次，建立了蠕虫模拟环境，并研究了蠕虫流量对网络的影响。
Secondly, the worm simulating environment is implemented, and the effects of worm traffic on network are analyzed.
本文通过对比实验，研究网络学习环境中教学信息媒体呈现方式对学习效果的影响。
Through contrast experiment, the researchers studied the effect of different mode of information presenting on learning-effect in thee-learning environment.
网络环境下，我国期刊工作研究呈现出许多新趋势。
In network environment, research of periodical works present new trends in China.
本文分析了网络环境下信息服务质量评价体系的现状，研究了网络环境下信息服务质量评价体系的构建原则及其结构。
The article analyses the actuality of an evaluation system of the information service qualities about the networked environment, and researches its design principle and its structure.
提出网络环境推动情报学研究方法演化之观点。
Network circumstances induce the evolution of research methods in information science.
因此，研究对网络环境有一定适应能力的自适应MAC技术具有重要的意义。
Consequently it is meaningful to develop MAC techniques with adaptive ability for network environment.
在对具有代表性的几种信息行为模型进行研究的基础上，对网络环境下信息查询行为模型的建立进行了探讨。
Based on researching several representative information behavior models, this paper probes into the establishment of information query behavior model under the network environment.
网络化的教学环境也给研究性学习提供了必要的条件。
The instruction environment of networking provides researching study with imperative condition.
海量信息的模式提取是网络环境下海量信息集成研究的难点。
Extracting schema from massive information is very difficult for the research on massive information integration in network environment.
本文针对网络环境的安全需求，对访问控制进行了相关的研究。
Based on the safety requirement of network environment, the related access control has been researched in this dissertation.
在基于以太网的宽带社区网络环境中研究了网络故障管理的事件流模型与算法。
A network fault management system research is discussed in the environment of Broadband Community network (EBCN) based on Ethernet.
研究了网络环境下优化配置有限广告资源的问题。
An optimal problem of scheduling limited web advertising resources was studied.
相关研究表明，网络环境下师生、生生间交互不足是影响在线学习质量的重要因素。
Some studies show that the interaction between students is a key of the learning effect, so the study of it is very important.
研究并实现了高速网络环境下一种网络行为监测系统模型。
A kind of network behavior monitor model system was discussed in high speed network environment.
研究并实现了高速网络环境下一种网络行为监测系统模型。
A kind of network behavior monitor model system was discussed in high speed network environment.
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