This rule of the Chengguan District of Lanzhou City East Gangzhen, under the Longxi County.

治所在今兰州市城关区东岗镇，隶属陇西郡。

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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。

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Surrounded are various financial institutions, Chengguan district the first people's hospital, orchid garden, public friendly medicine and other facilities.

周边各金融机构、城关区第一人民医院、兰园、众友药城等设施一应俱全；

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