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本文对公式S_d=m·d_p/(2h)做了改进,即令测量支距h=d_p/n(n为正偶数),这样,换算系数大大简化,提高了测量效率.
In this paper, the formula S_d = m · d_p / (2h) is improved, that is, the measurement of the distance h = d_p / n (n is even even number), so that the conversion factor is greatly simplified and improved measurement efficiency.