图78中应力-应变数据的一个重要情况是在双对数座标上图线的直线性。
An important aspect of the stressstrain data in Fig. 78 is the linearity of the log-log plots.
对于气井，在双对数坐标纸上绘出流量对平均储层压力与井筒压力平方差的关系图。
For a gas well the flow versus the difference of the squares of the average reservoir and wellbore pressures are plotted on log-log paper.
系统具有树种校正功能、温度补偿功能、双对数曲线计算、历史趋势图设计等功能。
The system possesses species correction function, temperature compensation function, double logarithm curve calculation and history tendency chart design function.
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