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用迭代法推算渠道水面曲线刘明义（自贡水电建筑勘测设计院）现将采用卡西欧ＦＸ－４０００Ｐ计算器，用迭代法推算已成或半已成渠道的水面曲线的程序介绍如１迭代公式：式中，其中：△ｘ──两断面间距离。Ｈ１──起始断面水深；Ｚ１──起始断面渠底高程；Ｖ１──起始...
Using iterative method to calculate channel surface water curve Liu Mingyi (Zigong Hydropower Engineering Survey and Design Institute) will now use Casio FX-4000P calculator, iterative method has been used to calculate the channel has been or has become a semi-finished water curve procedures described in 1 iterative formula: Type , Where: △ x ─ ─ two cross-section distance. H1 ─ ─ the starting section of the water depth; Z1 ─ ─ initial section of the bottom elevation; V1 ─ ─ start ...