The room temperature resistivity of samples was measured by cylinder method.
用圆柱体法测量了样品的室温电阻率。
Recently, resistivity method with vertical line source has been used to study the distribution of injection water and remain oil.
利用套管供电，通过地表观测视电阻率研究油田注水分布和剩余油分布近来在油田开发中得到了应用。
The equation of four probes method for resistivity measurement requires point contacts and a definite configuration of probes array.
测量电阻率的四探针法公式中，要求是点接触而且探针的排列有一定的形状。
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