. According to the land-use classification map of Hubei Province,Shiyan City has an area of 812580 hectares of forest,the total forest ecosystem services in Shiyan is 1.72×10~(10)yuan.
根据2006年湖北省土地利用分类图,可以得出十堰市的森林面积为812580公顷,因此十堰市森林生态系统的服务总价值为1.72×10~(10)元。
参考来源 - 基于生物量的十堰市森林生态系统服务价值评价·2,447,543篇论文数据，部分数据来源于NoteExpress
十堰市张湾区乡镇有哪些？
根据十堰市的实际情况，提出液化石油气空混气置换人工煤气的方案。
The authors give the method to convert manufacturing gas with LPG-air mixture in Shiyan city.
应用GM(1,1)模型，对十堰市城区人口的死亡率建立灰色预测模型。
Through the application of model GM (1, 1), gray prediction model is established about population death rate of urban area in Shiyan.
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