ABSTRACT: Being a parameter of concrete antifreeze evaluation, air void spacing factor had got much more attention.
作为评价混凝土抗冻性的参数之一，混凝土气泡间距系数越来越受到重视。
Also it has been determined that fracture spacing, aquifer strength and skin factor have insignificant effect on water coning in fractured reservoirs.
另外，裂缝间距、蓄水层强度和表皮系数在裂缝型油藏中的水锥现象也起重要作用。
The main factor affecting the wavelength response is the non-magnetic spacing between the contacting surfaces of head and tape.
而影响波长响应的主要因素是磁头、磁带接触表面之间的非磁性间隔。
The radial runout of tooth ring of the coniflex gear, which is an important test item, is an important factor influencing the accumulated error of tooth spacing and the error of tooth spacing.
直齿锥齿轮的齿圈径向跳动是重要的检验项目，是影响齿距累积误差和齿距误差的重要因素。
The greater amount of information stored on a DVD is chiefly due to the smaller pit size and tighter track spacing, but another factor comes into play, namely compression.
一张DVD能储存较大数量的信息，主要是因为光盘较小的凹坑和紧密的轨迹相间隔，但是另外一个因素也发挥了作用，即压缩。
The relation between the softening factor of the destressed zone and borehole spacing and row spacing is a hyperbolic curve.
软化卸压带的软化系数与炮眼间距及排距呈双曲线关系。
The stress intensity factor was extracted from the displacement field, and the effects of the number of terms, subset size and subset spacing on the calculation results were analysed.
由数字图像相关方法所得位移场提取不同载荷作用下裂纹尖端应力强度因子，并分析最小二乘拟合项数、数字图像相关计算子区域和步长大小对计算结果的影响。
Seed spacing is the key factor of the effects on the quality of precision drilling.
穴距是影响水稻播种机精密播种质量的主要因素。
The factor of the mixed partial derivative term controls the grid orthogonality. The other two factors of second order partial derivative terms control the grid spacing.
结果表明 ：方程中混合偏导数项系数具有控制网格正交性的作用；
This paper considers every factor affecting the well spacing density, uses net present value to improve the method for calculating economy rational well spacing density of matured oilfield.
本文提出经济采收率的概念 ，并以油田投入与经济极限井网密度关系及谢尔卡乔夫公式为基础 ，根据经济学投入产出均衡原理 ，建立了具有实际应用价值的经济采收率模型。
This paper considers every factor affecting the well spacing density, uses net present value to improve the method for calculating economy rational well spacing density of matured oilfield.
本文提出经济采收率的概念 ，并以油田投入与经济极限井网密度关系及谢尔卡乔夫公式为基础 ，根据经济学投入产出均衡原理 ，建立了具有实际应用价值的经济采收率模型。
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