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明渠渐变流水面曲线的电算法１明渠渐变流水面曲线的基本算式及两类计算问题１．１基本公式若计算流段总长度为Ｓ＝∑Ｇ－１ｊ＝１ΔＳｊ，则其中任一分段ΔＳｊ的基本算式（只考虑恒定流）：ΔＳｊ＝（ｈｊ＋１＋Ｖ２ｊ２ｇ）－（ｈｊ＋Ｖ２ｊ２ｇ）ｉ－Ｊｊ（１）式中ｊ...
Electricity gradient curve of the open channel electricity algorithm 1 The basic formula of the water curve of the open channel gradient flow and two types of calculation problems 1.1 The basic formula If the total length of the calculation flow segment S = ΣG-1j = 1ΔSj, any segment ΔSj The basic formula (only consider constant flow): ΔSj = (hj + 1 + V2j2g) - (hj + V2j2g) i-Jj (1) where j ...