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- Using multi scale DEM datum, multi scale topographic index are extracted and mapped in the whole country and sample area in bess plateau, which prepare topographic datum basis for developing regional soil and water loss assessment model. (2)利用多尺度的DEM数据,提取了多尺度的水土流失地形指标,编制了全国及黄土高原典型样区的水土流失地形指标专题图件,为多尺度区域水土流失评价模型的建立准备了地形数据基础。
- Developing a regional soil erosion model, understanding the forms, the extents, degrees and predicting the trend of the environment impacts of soil conservation, will be key issues for SEER studies. 今后尽快开发区域水土流失定量评价模型,并在区域尺度上对环境效应的方式、范围、程度和发展趋势做出综合计价和分析预测。
- There are two goals of the study. The first one is to fabricate the estimating model of typical sort soils and region soils and simulate the soil AWC in china. 本研究的目的:一是初步构建我国典型土壤类型以及区域土壤的土壤AWC经验估算模型,并进行土壤AWC估算;
- There are two goals of the study.The first one is to fabricate the estimating model of typical sort soils and region soils and simulate the soil AWC in china. 本研究的目的:一是初步构建我国典型土壤类型以及区域土壤的土壤AWC经验估算模型,并进行土壤AWC估算;
- planning of regional soil and water conservation 水土保持区域规划
- Blind sewage irrigation has caused the accumulation of poisonous and harmful substance in some regional soils and water sources,and environment has also been polluted in varying degrees,so that it has threated people health seriously in some region. 盲目的污水灌溉导致一些地区土壤、水源中有毒有害物质积累,环境受到不同程度的污染,在有些地区已经严重威胁了人类的健康。
- Topographic Effects on Regional Soil Erosion Process 区域土壤侵蚀过程的地形因子效应
- Our team won the regional laurels. 我们的球队赢得了地区冠军。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- The earthquake may cause a region to fall in. 地震可以使一个地区下陷。
- Study and Prospect of Orographic Factor of Regional Soil and Water Loss 区域水土流失地形因子的研究与展望
- Storms spring up easily in this region. 这个地区很容易发生风暴。
- Most regional committees meet four times a year. 大部分地区委员会每年开会四次。
- There is a tendency towards regional cooperation. 有一种地区性合作的趋势。
- He is earning a salary in the region of25,000. 他当时的薪金在25,000英镑左右。
- A storm that cut off power to the whole region. 切断了整个地区电力供应的暴风雨
- A planar region bounded by a circle. 圆形区,圆形空间被圆所包围的一个平面区域
- A vineyard or wine-producing region in France. 克鲁法国的葡萄园或葡萄酒生产区
- Food and fuel were scarce in this region. 这地区食物和燃料都很缺乏。
- There used to be a military base in the region. 这地区过去有个军事基地。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries