1) background loop
背景循环
2) environmental background
环境背景
1.
Summarize of environmental background and Meteorological in Lanzhou;
兰州市气象与污染环境背景综述
2.
A study on environmental background of East Asian land cover using digital terrain models;
东亚土地覆盖环境背景数字地面模型研究
3.
In order to indicate the effect of the environmental background of a drainage basin and human activity on the river's water quality,TM and SPOT images,thematic maps,statistic data and in field measured data were used to analyze the relationship of Jilong River water quality with its environmental background and urban pollution.
为了研究河流水质受到流域环境背景和人类活动的影响 ,运用 TM影像和 SPOT影像 ,在地图资料、统计资料以及实测资料的基础上 ,结合遥感和 GIS技术 ,对基隆河水质及其与环境背景和城市污染的关系做了分析 。
3) environmental setting
环境背景
1.
Effects of sea-water intrusion in Laizhou Bay on agricultural soil and water environments are discussed on the basis of analyzing environmental setting and conditions of seawater intrusion,and combining the fieldwork and collecting data,it has caused water resources deterioration and short supply of fresh water source area.
针对山东省莱州湾地区海水入侵的实际,分析了海水入侵灾害发生的环境背景与条件。
4) environment background
环境背景
1.
Dynamic Change of Chinese Farmland and Environment Background Analysis;
中国耕地动态变化及其环境背景分析
2.
With RS and GIS supported,the authors analyse features of soil erosion environment background in these hilly areas,then some points are suggested for controlling soil erosion.
以 TM影像为数据源 ,以 GIS为技术支撑 ,从 DEM中获取低山丘陵层 ,以此为 MASK层 ,提取水土流失及相应的生态环境背景各层 ,包括土地利用、坡度、降水、均温、植被等生态背景层 ,这些背景层是多年数据的平均 ,然后把水土流失层与环境背景各层分别叠加 ,分析不同环境背景下水土流失状况 ,从而为治理水土流失提出科学依据。
3.
With Rs and GIS supported,this paper analyses features of soil erosion environment background in these hill areas,then we suggest some points for treating soil erosion.
本文以TM影象为数据源 ,以GIS为技术支撑 ,从DEM中获取低山丘陵层 ,以此为MASK层 ,提取水土流失及相应的生态环境背景各层 ,包括土地利用、坡度、年降水、积温、植被等生态背景层 ,这些背景层是多年数据的平均 ,然后把水土流失层与环境背景各层分别叠加 ,分析不同环境背景下水土流失状况 ,从而为治理水土流失提出科学依
5) Background environment
背景环境
6) circulation background
环流背景
1.
Monsoon circulation background of ‘0506’ continuous rainstorm in South China;
“0506”华南持续性暴雨的季风环流背景
2.
Large scale circulation background of heavy rainstorm processes in the Huai River Valley in summer of 2003 and lts precursor signal;
2003年淮河流域致洪暴雨过程的环流背景及其前兆信号
3.
Frequency distribution of drought intensity in Northeast China and relevant circulation background
东北地区干旱强度频率分布特征及其环流背景
补充资料：循环系统的进化环节动物的封闭式循环系统
李瑞端绘
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条