The resources of fern are rich in Jiangxi and must be rationally developed and utilized.

因此，合理开发利用这类药用蕨类资源是有潜力的。

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In order to rationally take use of energy and resources and improve benefits, the exhausted steam recovery of deaerator has become the important energy project to be developed.

为了合理利用热量和资源，提高效益，对除氧器的乏汽回收已经成为能源待开发项目中较为重要的课题。

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To help road management units managing road transportation net more effectively, making use of resources rationally, we developed GIS-based Road Facility Management System with COM technique.

为了帮助公路管理部门更加高效地管理公路交通网络，合理利用资源，我们利用组件式技术开发了基于GIS的公路设施管理系统。

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