Up to now there aren't relatively complete methods for estimating alongshore quantity of sediment transport on the foreshore with tide and silt material.

有潮海淤泥质海岸的沿岸泥沙年输沙量目前尚无比较成熟的计算方法。

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Geology A sedimentary material, finer than a granule and coarser than silt, with grains between 0.06 and 2.0 millimeters in diameter.

沙砾：一种比岩石颗粒要小但比粉砂粗糙的沉积物，粉粒的直径介于0.06和2.0毫米之间。

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The results provide basic data of cement-soil used for seepage prevention of irrigation canal and shield or cushion of silt-dam. It helps the spreading of the use of this low-price local material.

为水泥土在西北地区的渠道防渗、过水土坝护面与垫层等方面的应用提供了基本的技术资料，有利于这种价格低廉的地方性建筑材料的推广使用。

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The soil should be full of loam, a mixture of sand, silt,clay and organic material.

VOA: special.2009.04.07

Silt curtain: fine, meshed material suspended in the water to prevent silt escaping from a construction site.

UNESCO: L O S S A R Y

Dredging: excavation, digging, scraping, draglining, suction dredging to emove sand, silt, rock or other underwater sea-bottom material.

UNESCO: L O S S A R Y