river terrace

But some studies show that it extends into the mountain land, shrinks to the shape of trumpet to link up with the third terrace in the river valley.

但不少研究资料表明，它向山地内部延伸，逐渐以喇叭口状收缩与河流谷地内的第三级阶地面相连。

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In terms of such landscape patches as piedmont proluvial fan, terrace land by river, sand dune, inter-dune lowland Gobi and salt mash, the mechanisms of natural vegetation regeneration was preliminarily explored in arid desert regions by field survey and data reference.

根据实地调查和参阅资料，依山前洪积扇、河流沿岸阶地、沙丘及丘间低地、戈壁、盐沼的景观斑块，初步探讨干旱区植被的自然更新机制。

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Among them the fifth Yellow River terrace near Xiaoshagou ( T 5 ) is the newly discovered one.

兰州黄河阶地最新研究结果表明,在 兰州 地区已经总共发现九级黄河阶地.

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The colossal irrigation system is not just the footstone of the terrace agriculture, but also is the symbol of the agricultural civilization in the reaches of Red River.

庞大的灌溉系统是红河流域梯田农业的基石，也是红河流域农业文明的重要标志。

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DPG profile lies in the front of the palaeo-alluvial-pluvial fans of Ta'ershan hill, and TSC and LGK profiles on the4th terrace of Fenhe River.

本研究选择的三个全新世黄土剖面位于临汾盆地中部陶寺地区，其中DPG剖面位于塔儿山古洪积扇前沿，TSC剖面和LGK剖面位于与古洪积扇相连的汾河4级阶地。

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