土壤 、 岩石或较老沉积物的大体积运动实质上是一种山坡过程而不是一种河谷过程.
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All valley deposits are subject to repeated erosion, transportation and redeposition.
所有的河谷沉积物都容易受到重复的浸蚀, 搬运和再沉积.
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被这种河谷切割的侵蚀面后来可能成为地层层序中的不整合性.
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Deep bays and sounds , in the shape of river valleys, cut inland on the coasts.
深海湾和海峡,呈河谷的形状, 在岸边切割内陆.
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Winter mornings in many wood-burning valley towns are now shrouded in a bluish-gray haze.
目前,许多烧木材的河谷城镇,在冬季早晨经常缭绕着蓝灰色的烟雾.
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Channel deposits, consisting of sand, silt and clay, fill the valleys cut by a river system.
河道沉积由砂, 粉沙和粘土组成, 充填于河流切割的河谷之中.
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A strike-valley sand is deposited in the drainage course of a subsequent stream valley.
走向谷砂岩是在次生河谷水系中沉积的.
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Tall sedge of the Nile valley yielding fiber that served many purposes in historic times.
一种生于尼罗河谷的高的茅草,在古代它的纤维被用于多种用途。
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甚至连在粘在尼安德河谷人的牙齿上的菜叶中也可以检测到这些物质,因为一具美味的动物尸体在生前也吃过素食。
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Gemology and Mineralogical Study of Guatemala Jadeite Jade along the Motagua Fault Zone
危地马拉中部麦塔高河谷断裂带翡翠的宝石矿物学研究
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