文章应用径向基（RBF）人工神经网络，结合多源遥感影像对北方某地区耕地土壤盐渍化状况进行调查研究，取得了满意的效果。
Using radial base function (RBF) artificial neural network and multi-source remote sensing imagery, the status of soil salinization in an area of north china is studied with satisfactory results.
本文通过抽样调查的方法，对当前国内三大网络即时通讯工具(腾讯QQ、网易POPO、新浪uc)弹出式新闻的编辑状况进行比较分析，以揭示其各自的特色。
By using the method of sample survey, this paper investigated the edit situation of popup news in the three main instant messengers QQ, POPO and UC, in order to find out their character.
方法对居民采用问卷调查、数据分析与推断相结合，调查其社会网络状况；
Methods People's Social networks were surveyed by means of questionnaires, and then the data were analyzed.
方法：采用心理状况调查问卷和自编开放式问卷进行网络调查。
Methods: Survey of the employees in enterprises was carried out by mental health and open questionnaire on the Internet.
目的：调查宿迁市农村急救网络运行状况，分析其影响制约因素，并探讨解决办法。
Objective: to investigate the operational status of rural emergency network in Suqian and to analyze the constraints and solutions.
在问卷调查和个人访谈的基础上，笔者对网络信息环境下大学生信息素养的状况进行了统计分析，指出其中的不足之处以及产生这种状况的原因。
On the basis of questionnaire investigation and personal interview, the paper analyses IL status of the undergraduate in network environment, finding out the problems and its causes.
在问卷调查和个人访谈的基础上，笔者对网络信息环境下大学生信息素养的状况进行了统计分析，指出其中的不足之处以及产生这种状况的原因。
On the basis of questionnaire investigation and personal interview, the paper analyses IL status of the undergraduate in network environment, finding out the problems and its causes.
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