查询词典 vegetation

Supported by GIS, maps were overlapped of normalized vegetation index, topograph, soils, government districts, yearly rainfall, yearly mean temperature, accumulated temperature during growing period of wheat, so as that ecological layers for wheat were stratified objectively and a base graph of non wheat image cell was plotted for average year.

在地理信息系统支持下，将处理好的归一化植被指数图与地形图、土壤质地图、政区图、年降水量图、年平均气温图、小麦生育期积温图等背景图件叠加，进行比较客观的小麦遥感生态分层，并制成常年非麦象元分布底图。

Natural restoration of vegetation is an important approach to ecological restoration. The detailed investigation showed that the succession trend was quiet different under different site conditions. Stipa bungeana Trin dominated on south facing slopes and mountain tops while Artemisia Vestita Wall and A.

以黄土高原典型沟壑区―吴旗县为例，通过对退耕或封禁后植被自然恢复过程及其物种多样性的调查分析，结果表明，在不同的空间立地条件下，植被的演替变化规律不同：阳坡与峁顶的植被演替趋向形成以长芒草为主的群落类型，而阴坡则形成以铁杆蒿和茭篙为主的群落类型。

Tomb-sweeping day, also called TaQingJie TuLu vegetation, spring season, also is the good people, so a spring outing, and the ancients had clear outing launched a series of sports activities.

清明节，又叫踏青节，正是春光明媚草木吐绿的时节，也正是人们春游的好时候，所以古人有清明踏青，并开展一系列体育活动的的习俗。

Tomb-sweeping day, also called TaQingJie TuLu vegetation, spring season, also is the good people, so a spring outing, and the ancients had clear outing launched a series of sports activities.

清明节，又叫踏青节，正是春光明媚草木吐绿的时节，也正是人们春游，强身健体的好时候，所以古人有清明踏青，并开展一系列体育活动的的习俗。

Temperate Ulmus pumila sparse forest grassland ecosystem in Inner Mongolia Plateau is a special ecosystem in China, and even in the world. Its study is of significance in deeply understanding the vegetation distribution patterns in the earth, and favoring the protection of this ecosystem.

内蒙古高原分布的温带榆树稀树草原生态系统在中国乃至世界上都是一种特殊的生态系统，对于它的研究可加深对植被分布规律的理解，且有利于该系统的保护。

These pollen maps show significant vegetation changes during the past 10 000 years in the current forest regions of Northeast China, with the early Holocene characterized by the widely distributed Birch, the mid-Holocene by the development of temperate deciduous forest mainly consisting of Quercus and Ulmus, and the late Holocene by the marked increase in Pinus abun dance and the development of temperate mixed conifer and deciduous forest.

花粉图展示了东北地区植被演化的主要特征。桦树在全新世初期遍布从三江平原到辽东半岛南端的东北东部地区，在森林中占据绝对优势地位；榆属和栎属等阔叶乔木在早中全新世的大部分时间内是东部森林中的主要种类；在大约5kaBP以后，松属在东北现在的森林地区开始增加，云、冷杉属也表现出较明显扩大，中北部地区的森林覆盖度可能比原来增大了。

The objectives of the study were to: 1 reveal the responses of vegetation and soil to degradation by investigating community characteristics and soil physic-chemical properties; 2 quantify the contributions of human factors and natural factors and the relationship among the factors by analyzing the variation of each factor in past decades; 3 understand the succession of fenced undegraded meadow, artificial pasture, semi-artificial pasture and degraded meadow, and to 4 provide suggestions for restoration and rehabilitation of the degraded rangeland in the region.

本项研究旨在通过对黄河源区退化高寒草甸的植物群落特征和土壤特征调查，揭示植物和土壤养分对土地退化的响应；对源区人口及牲畜数量和国内生产总值，气候变化特点等因子的分析，量化人为干扰因子和自然因子的贡献率以及各因子之间的数量关系；以及对草地退化驱动力分析以及原生草地植被封育、人工草地、半人工草地的自然演替变化规律的研究，为高寒草甸退化草地恢复与重建提供科学依据。

In this thesis , firstly, TM remote sensing images were geometry rectified , image intensification, mosaic and cropping by using remote sensing image software ENVI, selected computer-aided supervised classification means to cany distribution using TM remote sensing images of qitai County ,and incorporated soil category material to achieve underlaying surface parameter and vegetation cover degree information in the region of interest .

本文运用遥感图像处理软件ENVI对所选的TM遥感图像进行了几何纠正、图像增强、镶嵌和裁剪，选择计算机辅助监督分类方法，对奇台县TM遥感图像进行了解译分类，并结合研究区土壤类型资料得到了研究区下垫面参数和植被盖度信息。

The main products of our company:fiberglass geogrid,polyester geogrid,steel plastic geogrid,bidirection geotechnical geogrid of plastic,unidirection geotechnical geogrid of plastic,PP plastic geogrid,HDPE plastic geogrid,geosynthetic clay layer,geocloth,geomembrane,short cutting felt of fiberglass,polyethylene geogrid,polypropylene geogrid,geolattice,three dimention vegetation network,soft penetrated tube.

本公司主要产品包括：玻纤土工格栅、经编涤纶土工格栅、钢塑复合土工格栅、双向塑料土工格栅、单向塑料土工格栅、PP塑料土工格栅、HDPE土工格栅、膨润土复合防水垫、土工布土工膜、玻璃纤维短切毡、聚乙烯土工格栅、聚丙烯土工格栅、土工格室、三维植被网、软式透水管。

The main products of our companyfiberglass geogrid,polyester geogrid,steel plastic geogrid,bidirection geotechnical geogrid of plastic,unidirection geotechnical geogrid of plastic,PP plastic geogrid,HDPE plastic geogrid,geosynthetic clay layer,geocloth,geomembrane,short cutting felt of fiberglass,polyethylene geogrid,polypropylene geogrid,geolattice,three dimention vegetation network,soft penetrated tube.

本公司主要产品包括：玻纤土工格栅、经编涤纶土工格栅、钢塑复合土工格栅、双向塑料土工格栅、单向塑料土工格栅、PP塑料土工格栅、HDPE土工格栅、膨润土复合防水垫、土工布土工膜、玻璃纤维短切毡、聚乙烯土工格栅、聚丙烯土工格栅、土工格室、三维植被网、软式透水管。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。