artificial sampling造句

Testing on artificial samples with conducting rock grains it proves that the model can be applied in clay - free porous rocks with conducting grains , but formation water resistivity must be less than rock grain resistivity
通过一组骨架导电的人造岩样的试验，表明该模型可以用于不含粘土的骨架导电的岩石，但地层水电阻率应小于颗粒电阻率。
The experiments of artificial samples with conducting rock grains show that the model may be applied in clay - free porous rocks with conducting rock grains , with a condition of formation water conductivity being larger than rock grain conductivity
通过一组骨架导电的人造岩样的试验，表明该模型可以用于不含粘土的骨架导电的岩石，但地层水电导率应大于颗粒电导率。
It's difficult to find artificial sampling in a sentence. 用artificial sampling造句挺难的