The key indicators for evaluating the benefit of explorational activity should include 2-D seismic cost per kilometer, 3-D seismic cost per square kilometer, and drilling cost per meter in depth.
每公里二维地震成本、每平方公里三维地震成本和每米进尺钻井成本是评价勘探作业效率的关键指标。
This paper studied the 2-d inversion interpreting technique of electrical sounding with the finite element method and the damped least square method.
本文对应用有限元及阻尼最小二乘法进行电测深二维反演解释技术做了进一步的研究。
Using these formulas and a 1-d LDA, mean square value of 2-d turbulent velocity fluctuation and Reynolds shear stress have been measured for water flow in a square duct.
用这些公式和一台一维激光多普勒测速计,测量了方形管道中水流的二维湍流速度脉动的均方值和雷诺切应力。
Data cubes are multidimensional extensions of 2-d tables, just as in geometry a cube is a three-dimensional extension of a square.
数据立方体是二维表格的多维扩展,如同几何学中立方体是正方形的三维扩展一样。
In this paper, the least-square design problem of 2-d FIR digital filters with arbitrary frequency responses is studied.
本文研究具有任意频响特性的二维fir数字滤波器的最小二乘设计问题。
In this paper, the least-square design problem of 2-d FIR digital filters with arbitrary frequency responses is studied.
本文研究具有任意频响特性的二维fir数字滤波器的最小二乘设计问题。
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