The method is especially suitable for in situ quantitative inspection of the used oil well tubings covered with drilling mud or other non magnetic matter.
该方法为表面受油泥或其它非导磁性材料覆盖的旧油管的现场定量检测提供了新的方法与手段。
On the basis of geological unit methods, the article presents a quantitative mathematic model of partition and inspection method for the division of geological statistic units.
本文以地质体单元法为基础，给出地质统计单元划分的分割检验法定量数学模型。
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