查询词典 soil conservation

Often they will surprise me: A young flaxen-haired woman in the middle of farm country will deliver a passionate plea for intervention in Darfur, or an elderly black gentleman in an inner-city neighborhood will quiz me on soil conservation.

他们经常会使我惊讶：在乡下农场中，有一位头发是亚麻色的妇女，她充满激情地请愿干预达尔福尔的武装动乱（北欧人的发色多为亚麻色，这位妇女的种族与她所关心的达尔富尔黑人形成对照），还有在市内城区社区的一位老年的黑人绅士，盘问我有关土壤保持的问题。

The selection of the plants in the water and soil conservation should adhere to the principle of panting suitable trees in suitable places,emphases the diversity of the tree species,make the arbors and bushes be mixed and matted with the herbages for meeting the natural growing regularities and forming a long-term and stable ecological community.

水土保持中植物的选择，要根据适地适树的原则，强调树种多样化，使乔木和灌木混交并与草本植物搭配，符合自然生长规律，形成长期稳定的生态群落。

Based on the performances of different varieties, it is considered that the Guangxi landrace, African landrace, Myanmar landrace and ICPL87119 adapted to Karsts stone mountain areas and hilly lands, and could be used for feed, water and soil conservation and ecological protection, firewood forest and so on.

根据不同品种的表现：广西品种、非洲品种、缅甸品种I、CPL87119比较适应喀斯特石山区荒地、山地种植，可作为饲料、水土保持、生态保护、薪炭林等用途，ICPH8、IC-PL87091可作蔬菜和粮食用，其中ICPL87091是一个比较有希望的品种。

The study content of this paper is the remote sensing survey of the soil conservation in the part of Yellow River Basin in Gansu province. Six main influential factors are analyzed.

引 言水土保持数字化是数字化黄河的重要组成部分，利用 TM影像进行水土保持遥感普查，是水土保持数字化建设的重要途径与手段。

4Turf quality assesment data showed that C06 and C04 are suitable for the amenable turf, CIO has higher quality than Tifway in sport turf, and C01 , COS, CIO have highest score for playing ground turf while COS, C01, and COS can be used for water and soil conservation.

通过对攀西地区野生狗牙根坪用价值进行评定，结果表明，C10在运动草坪中的表现已超过商业品种&Tifway&，极具开发价值，另外C06、C04适合于用作观赏草坪；C01、C05、C10在适合用作游憩草坪；而C05、C01、C08则在水保草坪中具有一定开发价值。

Thebest measurement of soil conservation in these experimentswas intercropping rye grass.

紫云英和黑麦草混播区次之，紫云英区域第三，自然裸露区的土壤流失量最大。

They were engaged in the study of soil conservation.

他们在从事土壤保持的研究。）我要自考网

This is known as soil conservation .

这就是所谓的土壤保护。

One important form of soil conservation is the use of windbreaks.

一个最重要的保护土地的方法就是利用防风林。

One important form of soil conservation is the use of windbreaks.

一个重要的保护土地的方式就是使用防风林。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。