明渠恒定均匀流正常水深在水力计算中十分重要。
The normal depth plays an important role in hydraulic calculation.
导出了U形渠道正常水深、临界水深水力计算的迭代公式，并给出了判别水深范围的界限流量计算公式。
The iteration equation of U-shaped channel normal depth and critical water depth in hydraulic calculation is deduced. The equation of boundary discharge to criterion water depth range is given.
普通城门洞形过水断面是泄洪隧洞和灌溉引水隧洞较常采用的断面形式之一，其水力计算中的正常水深求解无显函数形式的表达公式。
The arched section is one of the usually adoptive section shapes in flood discharge tunnels and irrigation tunnels, but the analytic expression of normal water depth for this section is not explicit.
亮晶颗粒石灰岩滩为高能持续动荡环境，水深在正常浪基面之上，以亮晶颗粒石灰岩沉积为主；
The sparry grainstone bank is persistently agitated high-energy environments, its water depth is above normal wave base, and deposits are mainly the sparry grainstones.
亮晶颗粒石灰岩滩为高能持续动荡环境，水深在正常浪基面之上，以亮晶颗粒石灰岩沉积为主；
The sparry grainstone bank is persistently agitated high-energy environments, its water depth is above normal wave base, and deposits are mainly the sparry grainstones.
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