首先，我们需要询问硬盘的所有者，并获取有关该驱动器尽可能详细的信息。
At first we need to interrogate the owner of the drive and get as much information as possible about the drive.
大多数地理处理系统工具都要获取数据集合输入并产生数据集合输出，大部分工具对话框都会询问数据集合输出位置。
Most geoprocessing tools take datasets as input and produce new datasets as outputs, so most tool dialogs ask you where you want to write the output dataset.
大多数地理处理系统工具都要获取数据集合输入并产生数据集合输出，大部分工具对话框都会询问数据集合输出位置。
Most geoprocessing tools take datasets as input and produce new datasets as outputs, so most tool dialogs ask you where you want to write the output dataset.
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