A field survey approach was applied for this research, the first-hand information by investigation on Jingxing mining area of Shijiazhuang was used as the data sources.
采用实地调查的方法，以石家庄市井陉矿区调查的一手资料为数据来源进行研究。
How to carry out control survey rapidly and effectively in a new or data confused gold mining area is an important problem for gold geological surveyors to resolve.
到一个新的金矿区或者各种资料比较混乱的金矿区如何理顺思路并在短时间内迅速有效地开展控制测量工作，是黄金地质测量工作者要着重解决的问题。
But, secondary data, survey by an outside marketing research firm, mining of company's internal recording, and building customer's database in the trade process are widely used methods.
建立企业营销信息系统的方式可以是二手资料收集、委托外部市场研究公司收集、整理企业内部管理档案、在与顾客交易时建立顾客数据库等。
They were able to demonstrate this by mining the data sets of the Framingham Heart Study (FHS), a longitudinal survey that has revealed many of the risk factors underlying cardiovascular disease.
而弗雷明汉心脏研究（以下简称FHS）正是一项纵向调查，它可以显示出潜藏在心血管疾病之下的多种风险因子。
We will survey applications and provide an opportunity for hands-on experimentation with algorithms for data mining using easy-to - use software and cases.
我们将会了解那些应用，并通过简单易用的软件及案例，提供亲自动手操作资料探勘算法的机会。
We will survey applications and provide an opportunity for hands-on experimentation with algorithms for data mining using easy-to - use software and cases.
我们将会了解那些应用，并通过简单易用的软件及案例，提供亲自动手操作资料探勘算法的机会。
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