The travertine landscapes were affected by a kind of recession which expressed for drought lakes, shrinked waterfalls and collapsed ponds.
九寨沟黄龙地区景观钙华局部出现了衰退迹象，表现为湖泊干涸、瀑布萎缩、彩池坍塌，景观生命受到严重威胁。
参考来源 - 九寨沟黄龙地区景观钙华的特征与成因探讨Travertine deposition thickness is about 0.24cm/a,and the deposition rate is about 0.50g·a~(-1)·cm~(-2) in Ya River.
2.雅河石灰华沉积厚度约0.24 cm/a,沉积速率约0.50g·a~(-1)·cm~(-2)。
参考来源 - 河成石灰华泥沙含量及其流域土壤侵蚀趋势研究The data showed different diurnal and seasonal variations in hydrochemistry among these travertine pools.
野外长期人工监测的数据表明:不同生物背景下的四个钙华池水化学具有明显的日变化特征和季节变化差异。
参考来源 - 水生植物对钙华沉积的影响The travertine gradually receives people's favour in the building curtain wall and decoration, its quality of material is loose and the intensity is also actually bad.
洞石在建筑幕墙装饰上逐渐受到人们的青睐，其质地却很疏松、强度也很低。
参考来源 - 洞石在建筑幕墙中的应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
N a porous rock consisting of calcium carbonate, used for building 凝灰石 (Also called calc-sinter)
The city contains hot springs and travertines, terraces of carbonate minerals left by the flowing water.
代尼兹利有很多温泉以及石灰华。 还有很多由流水侵蚀而成的碳酸盐矿物质，成梯状，层层起伏。
Our offers to you are marbles, travertines, granites and limestones from their well known sources such as Turkey, Italy, Brazil, Spain, Egypt, Greece, India, China and France.
我们将为您提供来自各个石材著名产地如：土耳其，意大利，巴西，西班牙，埃及，希腊，印度，中国及法国等的各类石材产品如：大理石、石灰石、花岗岩等。
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