Through the comparision between the blank and the sulfur dioxide standard solution, the way to make the sulfur dioxide quality control map is pointed out in the analysis of sulfur dioxide.
通过对全程序空白与已知浓度二氧化硫标准溶液的对照分析，提出了大气二氧化硫分析中质控图的做法。
This dissertation presents some quality control theory and methods on the data of digitalized map.
本文主要研究了地图数字化数据的质量控制理论与方法。
Therefore how to perform the map data quality control becomes a very important problem in the digital information engineering of military surveying and mapping.
因此如何进行地图数据质量控制就成为军事测绘数字信息工程中一个十分重要的问题。
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