well-spacing radius 井控制面积的半径
This method can be used for conventional heavy oil reservoir to calculate ultimate drainage radius and reasonable well spacing through starting pressure gradient.
将研究结果应用于普通稠油油藏，给出了利用启动压力梯度确定极限泄油半径及合理井距的理论计算方法。
With decreasing the radius, the energy spacing between energy levels increases.
如果减小环的半径，可以增加能级间距。
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