It's that density that separates them, though, and makes me regret having to review this record in any kind of timely fashion.
然而正是这种密度区分了它们，并且让我遗憾的是不得不在有限的时间里来评论这张唱片。
2
It is necessary to record the linear scale before and after log and the time difference curve in the acoustic variable density log.
摘要阐述了声波变密度测井时对其进行测前、测后线性刻度及记录时差曲线的必要性。
3
A stratigraphic high resolution dipmeter tool that uses four dual electrodes on pads to record eight microconductivity curves for high-density dip calculations.