METHODS: Model was built by applying regulation theory and the qualitative and quantitative investigation and analysis of which were carried out.
方法：运用规制理论方法建立模型，从定性和定量两个角度进行研究和分析。
A new way to study investigation is to make qualitative and quantitative analysis, study and evaluation to the investigation efficiency from the Angle of economic cost.
从经济成本角度定性和定量分析、研究和评价侦查效益，是侦查学研究的新方法之一。
On the basis of investigation on the tourism resources of Qixing River nature reserve, qualitative and quantitative evaluation methods were used to describe the reserves tourism resources value.
在对七星河湿地自然保护区旅游资源调查的基础上，根据七星河自然保护区的实际情况，对其旅游资源进行定性和定量评价。
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