The uniformity of water distribution is related to section cross, water depth, trough width, pore size, pore distance and bottom slope.

配水的均匀性与配水槽的断面、水深、槽宽、孔径、孔距、底坡等因素有关。

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The paper compares the methods dealing with water leakage from trough bottom of water-sealed gasholder, and introduces the construction way and effect of excavation method.

对湿式燃气储气罐水槽底板漏水的处理方法进行了比较，介绍了挖掘法的施工方法和效果。

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When the distance between the axis of the inner conductor and the bottom of the trough tends to infinity, the results obtained in this paper go into that of the well-known slab line.

当此槽形线底部与中心圆柱的轴线间的距离趋于无限大时，我们即得到人的所熟知的两平板间具有中心内导体的传输线的结果。

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Rates have roller-coastered through two peaks and troughs in the past decade, and when the bottom of the current trough will be reached is anybody's guess.

ECONOMIST: Insurance

So even though the global music revenues are so much lower than before, what has emerged at the bottom of the revenue trough is a tougher, wiser industry that now has some solid footing on which to launch a digital counteroffensive.

FORBES: Music Industry Stops Losing Money, Finally

Historically low interest rates and bottom-of-the-trough housing prices have combined to increase the Housing Affordability Index (as reported by the National Association of Realtors) to record highs.

FORBES: Engineering Homeownership For Non-Homeownership Candidates