The way of action combination was adopted to analyze each sand body condition and know remaining oil distribution regulation, deeply develop the potential of oil field.
采用动静结合的办法，分析各砂体的储量动用状况，搞清剩余油分布规律，充分挖掘储量潜力。
Using the 10th International geomagnetic Reference Field (IGRF) models, the latitudinal distribution of harmonic amplitude and its time-variation of geomagnetic potential are investigated.
利用第10代国际参考地磁场模型(IGRF)的资料，研究了地磁位的谐波振幅的纬度分布及其时间变化。
The potential distribution and the perturbation multipole field of the different electrode defects in some electrostatic lenses were given.
计算了几个静电电子透镜的例子，给出了不同电极缺陷的电位分布和微扰多极场分布。
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