Abstract: the error sources of some data acquisition methods are discussed in digital cartography, and these errors are analysed.
文摘：讨论了数字制图几种数据采集方式的误差来源，并对这些误差进行了分析评价。
Implementation of this system will change the traditional data acquisition methods of Oil-Wells, Also has a positive significance to improve the production efficiency of the oil field.
该系统的实现将改变油井数据传统的采集方式，对油田生产效率的提高有着积极的意义。
Implementation of this system will change the traditional data acquisition methods of Oil-Wells, Also has a positive significance to improve the production efficiency of the oil field.
该系统的实现将改变油井数据传统的采集方式，对油田生产效率的提高有着积极的意义。
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