各模型中以双对数型模拟、推算效果最佳。
The model of double logarithms is the best in both simulating and predicting among all these models.
绘制出了溶洞压力导数半对数曲线和井底压力双对数曲线。
According to the semi-logarithmic curve, pressure derivative curves of vugs initially increase and then decrease;
油气资源量与沉积物填充平均体积速度之间存在双对数线性关系。
There is a loglog linear relationship between hydrocarbon resources and average volumetric velocity of sediment filling.
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.
电磁耦合频率效应特性曲线在双对数座标纸上具有较好的分段线性化特点。
The response curves of frequency effects of EM coupling in logarithmiccoordinates have distinctive fe…
其粒度分布的双对数曲线为多段折线,不同斜率的折线段对应不同的分形维。
The double logarithmic curves of particle number and particle size are folded lines, and each linear section in the curve corresponds to different fractal dimension.
双对数计量经济模型可以较为准确地描述人民币汇率对国际企业价值的影响。
From the paper, it can more accurately describe the influence of the RMB exchange rate on the international enterprise value resorting to the econometric model.
模型类型包括频率直方图、累积频率分布图及双对数坐标表示的理论分布模型。
The model types include frequency histogram, cumulative frequency distributing graph and theoretical model with double logarithmic coordinates.
转速升高,混合时间缩短,混合时间与功率消耗在双对数坐标系下呈线性关系。
In the double logarithm coordinate, the relation between the mixing time and the power consumption is linear.
模型类型包括频率直方图、累积频率分布图以及双对数坐标表示的理论分布模型。
The model types include frequency histograms, cumulative frequency distribution graphs and theoretical model with double logarithmic coordinates.
在双对数坐标图上,毛细管压力与含水饱和度呈线性关系,但平衡时间大大缩短。
The capillary pressure versus saturation relationship appears to be linear on the dual logarithmic coordinate diagram. However, the equilibration time has been decreased greatly.
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.
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.
在双对数坐标系中,由低孔隙到高孔隙整个范围,砂岩地层因素与孔隙率的关系为一个二次函数。
It was found that in double logarithmic coordinates, the relationship of formation factor and porosity is a second order function and no longer the linear formula proposed by Archie in 1940's.
在双对数坐标图上,用实测压力数据和理论无量纲压力曲线拟合,求出低渗透岩心的启动压力梯度。
The TPG is solved by comparison testing pressure curve with theory curves in single log coordinate system.
比较分析了各种计算GDP就业弹性的方法,认为采用双对数计量模型是测算就业弹性的最好方法。
Based on a comparison of different ways for estimating employment elasticity of GDP, this paper concludes that the double logarithm model is the best method.
作为实例,选择了水力学和土力学中常用的关系曲线,它们分别是点绘在双对数、半对数和普通方格纸上的。
As examples, the relation curves plotted on log-paper, semi-log paper and ordinary coordinate paper in hydraulics and soil mechanics were selected.
在油藏工程中,广义翁氏预测模型、双对数型产量衰减曲线预测模型和水驱曲线模型都是比较重要的预测模型。
The generalized Weng's model, dual logarithm production decline curve model and water drive curve model are popular to use in reservoir engineering study.
对于存在定压边界煤层气藏,压力双对数曲线的晚期是水平直线段,压力导数双对数曲线的晚期都是急剧下掉的曲线。
As for the coal-bed gas reservoirs with constant pressure boundary, the log-log pressure curves are horizontal lines and the log-log pressure derivative curves are falling rapidly in the late stage.
为此,根据大量的试验检测结果建立了PFWD与承载板、CBR、弯沉和FWD检测值之间的相关关系,结果表明各检测值之间存在良好的双对数关系。
So the correlations of PFWD and bearing plate, CBR, deflection, FWD are established according to many testing results. The analyses indicate that the correlations are good in double logarithm.
民机结构的疲劳寿命服从双参数威布尔分布,其分散系数与战斗机基于对数正态分布的疲劳寿命分散系数存在明显的不同。
The fatigue life of civil aircraft structures obeys two parameter Weibull distribution, its scatter factor is significantly different from that obeys logarithm normal distribution.
为了提高模型的预测准确率,使用了双变量统计和主成份对数据进行预处理和分析。
To improve the forecasting accuracy, bivariate statistics and PCA were used to prepare and analyze the data in advance.
一种适用于ask接收器中的双极型对数中频放大器,具有接收信号强度指示的功能(RSSI)。
A bipolar logarithmic intermediate-frequency (if) amplifier with received signal strength indicator (RSSI) circuit for ASK Receiver is presented.
该视频对数放大器是在自制单片ic基础上混合集成,单片IC采用PN结隔离双极工艺制作。
This video log amplifier is based on a monolithic IC, which is fabricated using PN junction isolation bipolar process by SISC, and all peripheral devices are integrated using hybrid IC process.
双端堆可以在对数时间内完成上述所有的操作。
Double-ended heap in logarithmic time to complete all of the above operation.
双端堆可以在对数时间内完成上述所有的操作。
Double-ended heap in logarithmic time to complete all of the above operation.
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