给出了便于工程应用的电压损失近似计算公式。
An approximate formula of voltage loss for application of engineering is given.
对照其模型阻力试验结果，提出了该形状物体的阻力近似计算公式并给出了相应的系数。
The coefficients of these formulas of resistance are also given according to the experimental result.
对照其模型阻力试验结果，提出了该形状物体的阻力近似计算公式并给出了相应的系数。
The coefficients of these formulas of resistance are also given according to the experimental result.
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