1·In the third part of this paper, the author analyses the natural and locational environment of Zhangye and sets up the periphery concept of the city.
其中，第三部分从城市外部出发，分析论证了名城张掖的自然环境和区位环境特征，从而建立起了城市的外围概念。
2·By calculating the relative change ratio of the cultivated land, the author analyzes the difference of the cultivated land changes in the different sections of Zhangye Oasis.
通过引入耕地面积相对变化率计算分析了张掖绿洲各区县耕地资源变化的区域差异。
3·Based on the experiments conducting in an intercropping field in Zhangye Oasis in the middle reach of Heihe River basin in 2003-2004, the characteristics of radiation budget are analyzed.
利用布设在黑河流域中游的张掖绿洲区的一套自动气象观测系统在2003 - 2004年的资料，分析了一个完整年度内春小麦和夏玉米间作农田生态系统的辐射收支及其变化特征。
4·By using the improved consecutive Hamming method, the site types in the Chengguan district of Lanzhou City and Zhangye area have been classified.
本文采用改进的连续亨明方法对兰州市城关区及张掖地区进行场地类型的图象识别。
5·By using GIS technology, this paper studied the patch dynamics of cropland and grassland in Zhangye oasis, Gansu Province in 1985-2006.
应用GIS技术分析了1985—2006年张掖绿洲农田和草地的斑块动态特征。