So by fuzzy mathematics theory, The method and process to evaluate wind power generation unit performance comprehensively have been discussed from the four aspects, which were technical economy, function setting, reliability and maintainability.

It is a relatively complete discourse on some leading problems of editing and making the land use maps of counties: scale, editing and making base maps, classification of up to date land use and legend plan, process and method of editing and making maps, and cartographic generalization of land use maps of counties, etc.