查询词典 landforms

Along the Daqingshan Piedmont Fault exist typical tectonic landforms, which are fault scarp, 3 orders of piedmont terrace, 5 orders of river terrace and 3 orders of alluvial fan, all carefully dated and measured. All these landforms display the intense vertical movement of this fault.

沿大青山山前断裂发育典型的构造地貌，计有夷平面、3级山前台地、5级河流阶地和3期洪积扇，基岩断层崖和全新世断层陡坎分布广泛，标志着断裂强烈的垂直差异性升降运动和间歇性活动的特点。

Some innovative results are listed below:1、According to the lithologic characters,lithofacies,genetic classification and the geomorphy,the Quaternary system is divided into piedmont-gully\'s and plain\'s. The piedmont-gully\'s Quaternary sediment,which is about 3～20 meters in thick,is in the western hills of the study area.The plain\'s Quaternary sediment is widely distributed in the study area,which is about 30～60meters thick and become thicker from southwest to northeast.2、The Quaternary sediments of plain can be divided into five sedimentary cycles.The Late Pleistocene series Quantan group,at the bottom of the Quaternary System,is constituted by a fluvial facies-river and lake facies sedimentary cycle. The Late Pleistocene series Jiashan group,at the middle of the Quaternary sediment, is constituted by two fluvial facies-neritic facies-river and lake facies sedimentary cycles.The Holocene series Binhai group,at the upper of the Quaternary sediment, is divided into three parts,the under layer and middle layer are constituted by two littoral facies-river and lake facies sedimentary cycles,the upper layer is constituted by paludal facies,which was deposited at the lower-lying land like West Lake, Jiangcun-Gu dang,Xianghu lake,and coastal-estuary facies in other area.3、Folding and fault activities were weak in Quaternary and the tectonic activity had little influence on the Quaternary sedimentation.The ancient landforms,the evolvement of the river system and transgression were the main elements which controlled the Quaternary sedimentation in Hangzhou.The ancient landforms formed the basis of the Quaternary sedimentation.The evolvement of the river system and transgression individually or jointly controlled the Quaternary sedimentation of this area.4、The alternation of the climate was the main reason for the evolvement of the river systems and transgression,and it\'s also the reason why the Quaternary system of Hangzhou has the special sedimentary structure which is called soft interbed with hard layers.

通过研究取得了以下成果：1、根据岩性、岩相、成因类型和地貌特点，将本区第四系划分为山麓沟谷区沉积和平原区沉积：山麓沟谷区第四系主要分布于西部丘陵地区，厚度较薄且变幅大，一般厚3～20m；平原区第四系广布分区，由南西向北东逐渐增厚，一般厚30～60m.2、平原区第四系自下而上大体由五个完整或不完整的沉积旋回构成：底部上更新统全塘组，由河流相—河湖相的沉积旋回构成；中部上更新统嘉善组，由河流相—浅海相—河湖相两个沉积旋回构成；上部全新统滨海组，其下中两段由滨海海湾相—河湖相的两个沉积旋回构成，上段由西湖、蒋村—古荡、湘湖等低洼处沉积的湖沼相和其他地区沉积的滨海河口相构成。3、第四纪以来，研究区内褶皱、断裂活动微弱，构造运动对第四系沉积的影响不大，古地形、古水系的发育、变迁和海侵是杭州市第四系沉积的主要控制因素：古地形构成了第四系沉积的基底，水系与海侵在其后的不同阶段或分别或联合的主导了区内的第四系沉积。4、水系的发育、变迁和海侵的共同原因是天气变化，正是由于第四纪以来"冷热交替"的天气特点形成了杭州市第四系"软硬互层"的特殊沉积结构。

The paper outlined the basic structure of landforms, analysed the external agencies which acted on the modern landforms, and discussed the geologic structure and the surface material which affected the Iandforms in the Drung river basin.

文章首先概述独龙江流域的地貌基本形态结构，分析现代地貌作用的外营力，讨论地质构造和地表物质对研究区地貌形成的作用和影响。

The niche breadths of same plants vary greatly among different communities and the competitive relations of the plant species in different communities vary depending on the combined actions of the niches of the species, stable landforms and soil conditions, and annual rainfall fluctuations.

同一种植物在不同群落中的生态位宽度变幅较大，不同群落内部植物种竞争关系的差异是由物种的生态位和由相对稳定的地貌、土壤条件以及随年际变动的降水条件共同作用的结果。

Hubei can be divided into 9 kinds of three grade region to soil erosion type and intensity,based on the information of the type and patterns of landforms,crust stability,populationcomposition,formation of landuseing type,structure of natural ecosystem,local industricalcomposition,traffic network and city-town system,natural resources and cleugh density.

以地貌形态类型组合结构及地壳稳定性、人口组成结构、土地利用类型结构、自然生态系统结构、地域产业结构、交通网络和城镇体系结构、自然资源结构、沟谷密度分布信息为基础，将湖北省土壤侵蚀类型、强度划分为9个3级类型区。

Why this production zone comes into being so is that: A Earth plate in collision bring landforms and soil character; B Climatic condition is suitable for tea growing; C Biologic variety leads to perfect environment.

产生这一优质茶叶生产带的原因：一是地球板块碰撞产生的奇异地貌和土壤母质，二是北纬30度的宜茶气候条件，三是生物多样性带来良好的生态环境。

In this paper, we presented a preliminary view of the formation of landforms by fieldwork.

现通过实地考察对岩柱群地貌的形成提出了初步的见解。

To study the spatial variability of the sandy desertification soil on the Erdos Plateau, the water content of top soil(0～30cm) under different landforms was measured, and analysed by geostatics methools; and; each layer's water content was measured on some typical soil profiles along the landform section.

为了研究鄂尔多斯夏初不同地形土壤水分的空间变异规律，本试验在鄂尔多斯高原几种地形的沙质荒漠化土壤上，用时域反射仪测定表层土壤(0～ 30 cm)的含水量，对表层土壤水分分布特征进行分析；在不同地形部位选择典型土壤剖面，测定各层土壤含水量。

The Great Lakes basins were excavated by the ice, and many present landforms are the result of this continental glaciation

五大湖盆地都是冰挖掘出来的，如今许多现有地形都是这种大陆冰川作用的结果。

The Great Lakes basins were excavate d by the ice, and many present landforms are the result of this continental glaciation

五大湖盆地都是冰挖掘出来的，如今许多现有地形都是这种大陆冰川作用的结果。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。