课程资源的开发和利用 development and use of course resources
因此，对山西旅游资源开发和利用研究势在必行。
Therefore, it is necessary to study on exploitation and utilization for tourism resources in Shan Xi.
阐述了盐业企业科技信息资源开发和利用的现状。
This paper elaborates the present situation of exploitation and utilization of scientific and technological information resources in salt industry enterprises.
水资源，回收利用和水资源开发和利用的有效利用，实现。
In the realization of water resources, recycling and efficient use of water resources development and utilization of.
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