river terrace

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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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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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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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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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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