查询词典 landform

The developmental process and plysical mechnism of eolian landform at different scale have been studied.

以便预测发育趋势同时，涉及风积地貌的沉积结构和构造，对区分沉积相具有重要价值。

Is the short crack structure may explain certain landform growth origin question in the short crack structure aspect's significance; The short crack structure causes the epeirogenesis causes the earth's crust material to be destructed this to contain the ore solution to provide the good migration channel and stores the place and so on five aspects.

在短裂构造方面的意义是短裂构造可以解释某些地貌发育的成因问题；短裂构造引起的地壳变形，使地壳物质遭到破坏，这就为含矿溶液提供了良好的迁移通道和贮存场所等五个方面。

The traditional method of hole-location in medium and deep hole blasting were according to engineer′s rough estimation for blasting region landform by eyenaked or with some simple measures, by this mean the parameters were made out and then adjusted in practice.

哈尔乌素项目部采用现代电子测绘技术与爆破技术相结合，提出一种中深孔爆破炮孔精确定位的新方法，很好地解决了这一问题。

Integrating the results of seismic ancient landform restoration from layer flattening and high resolution seismic sequence analysis from Generalized S Transform, four main folded channels have been identified.

采用层拉平地震古地貌恢复和广义S变换高分辨率地震层序分析方法在苏里格气田识别出四条盒8期叠置主河道。

In the last survey of geological disasters, this phenomenon is often considered as landslide accumulation landform.

在以往的地质灾害调查中，这种现象常常被认为是滑坡堆积地貌。

Based on the study of modern dynamic and combination of landform, tidal inlet is classified by dynamic geomorphology system.

在现代动力作用和地貌形态组合研究基础上，进行了潮汐汊道动力地貌学分类。

Based on the study of modem dynamic and combination of landform, tidal inlet is classified by dynamic geomorphology system.

在现代动力作用和地貌形态组合研究基础上，进行了潮汐汊道动力地貌学分类。

DEM is a powerful tool for landform interpretation, and also an important method to express geomorphology quantitively.

DEM数字高程模型，是地貌解译有力的辅助工具，同时也是对地形地貌分析研究进行量化表达的一个重要手段。

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 different types of landform have different effects on grasshopper occurring through their redistribution of heat and moisture conditions.

不同类型的地貌通过其对水热条件的重新分配对蝗虫的发生有不同的影响。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。