查询词典 landforms

Researchers used the features of glacial erosional and sedimentary landforms as well as the differences of the glacial tills in chemical and physical weathering to determine the ages of Quaternary glaciations .

1引言20世纪70年代及其以前，我国第四纪冰川的年代主要是采用相对年代法确定，即采用冰川侵蚀地貌和沉积地貌，冰碛物化学和物理风化程度差异来划分第四纪冰期[1~3]。

Thirdly, The mathematics model of forecasting low flow was established in Fengcong and Fenglin regions according to these factors influencing the amount of low flow in karst drainage (the area of drainage, lithology, the type of landforms and its special assembly and forest)The conception of low water resources carrying capacity was firstput forward according to the changing law of low water resources in space and the situation of exploitation and utilization in karst drainage (ie, under the condition of the virtuous ecological environment and the available technology, the explorable amount of water resources in certain areas is capacity and limitation which is able to coordinate the development of population, enviroment and economy during the period of low flow seasons) and preliminarily analyzed its connotation, characteristic and established the index system of low flow in karst drainage.

根据喀斯特流域枯水资源的空间变化规律以及实际开发利用状况，首次提出了枯水资源承载力的概念，即在枯水季节期间，保持良性的生态环境和现有的技术条件下，某一区域内可开采的水资源量对支持该地区人口、经济与环境协调发展的能力和限度。

A Sample of flows and other landforms in Icaria Planum.

阿的流动和Icaria迪亚尼平原等地貌样品。

During the period of 1978-1986, the total area of Kandelia is almost no change due to the disturbance of channel landforms caused by human activities, on which is not suitable for mangrove survival and expansion.

水笔仔分布面积在1978-1986年问并无多大的变化，主要因人为干扰造成地形变化所导致的结果。

It is interesting in view of the unique landforms and karstic features that are encountered in limestone terrains, e.g.

它由于在石灰石地形遇到的独特的地形和岩溶的特点是有趣， e.g。

This study was therefore conducted in a small watershed of the loessial gully region to reveal the profile distribution of soil properties as affected by landforms.

论文研究了黄土高原沟壑区小流域地形条件对土壤性质剖面分布的影响，结果表明土壤硝态氮、速效磷、碱性磷酸酶和蔗糖酶为高度变异的土壤性质；pH值和过氧化氢酶为小变异土壤性质。

The most dramatic surface karst landforms cover an area of 40 km2, exposed limestone surfaces have been dissected by the formation of enormous karren with solution runnels, deepening of the karren and solutional opening of joint fissures has left remnant pinnacles of various shapes, which are described as stone forest.

地表石海分布面积达40余平方千米，是研究地表岩溶的绝好场所。形成地表石海的岩层是由距今约2.9亿年的海相碳酸盐沉积而成。典型的地质剖面以及地层中保存的特殊沉积构造与丰富的古生物化石，全面反映了该地区沉积环境和构造演化的历史。

The karst landforms take on a unique tropical-subtropical weather zonality distribution.

喀斯特地貌呈独特的地带性分布规律；化石保存得比较完好。

These rock types are usually of alternating resistance, so the coastline forms distinctive landforms, such as coves.

这些岩石类型通常是交替性，因此，海岸线形式，如小湾，独特的地貌。

Although Taipei and Taichung are both basin landforms, the distribution of the heat island in Taichung is centered and distinct, while that of Taipei is large and of a wide variety because of its high development and urbanization It is also clear from the results that in urban areas, large greened areas or parks play a key role in reducing temperatures.

海岸地形的都会区，都市热岛现象受到海陆气候极大的影响，使得白天热岛中心偏向内陆，晚上热岛中心则偏向海边。虽然台中与台北同属盆地地形，但台北都会区因具有大范围、高度发展与复杂的商业、人为活动，而使得其都市热岛中心分布不像台中集中与明显。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。