梯形波
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trapezoid-wave 梯形波
double-trapezoid wave 双梯形波
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In this paper numerical simulation and theoretical analysis are used to study the wave in two different types of sidearm, one is a rectangular channel, another is a trapezoid channel.
本文通过数值模拟及摄动分析，对平面形状为矩形（简称小包方案）及平面形状为曲边梯形（简称大包方案）的两种盲肠河段的水位波动进行了研究。
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