本论文归纳总结了GIS空间位置数据不确定度估计和误差传播的基础理论和实用的估计方法。
This paper has summarized the basic theory for GIS spatial position data uncertainty estimation and the error propagation, and practical estimation methods.
利用该方法，在嵌入式农田信息采集系统中成功地实现了对基于GPS的空间位置数据和属性数据的采集管理。
The embedded field information collection system proves that above method is success to manage GPS spatial position data and property data.
XML数据的表空间位置由LONG in子句决定，其可在分区级别、表级别、或它们的任何组合中指定。
The table space placement for XML data is determined by the LONG in clause, which can be specified at partition level, table level, or any combination thereof.
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